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Finding the Fourth Proportional to 9,341.70, 14,012.55 and 8,867.85

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Solution

The fourth proportional to 9,341.70, 14,012.55 and 8,867.85 is: 13,301.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341.70 : 14,012.55 = 8,867.85 : x
  2. Step 2: Convert to fraction form
    9,341.70/14,012.55 = 8,867.85/x
  3. Step 3: Cross multiply
    9,341.70x = 14,012.55 × 8,867.85
  4. Step 4: Simplify right side
    9,341.70x = 124,261,191.52
  5. Step 5: Solve for x
    x = 124,261,191.52/9,341.70
  6. Step 6: Final answer
    x = 13,301.78

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Similar ratio
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1.5x scale

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.