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Finding the Fourth Proportional to 9,591,609.70, 14,387,414.55 and 8,807,788.90

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Solution

The fourth proportional to 9,591,609.70, 14,387,414.55 and 8,807,788.90 is: 13,211,683.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591,609.70 : 14,387,414.55 = 8,807,788.90 : x
  2. Step 2: Convert to fraction form
    9,591,609.70/14,387,414.55 = 8,807,788.90/x
  3. Step 3: Cross multiply
    9,591,609.70x = 14,387,414.55 × 8,807,788.90
  4. Step 4: Simplify right side
    9,591,609.70x = 126,721,310,173,188.50
  5. Step 5: Solve for x
    x = 126,721,310,173,188.50/9,591,609.70
  6. Step 6: Final answer
    x = 13,211,683.35

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.