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Finding the Fourth Proportional to 9,747.10, 14,620.65 and 6,636.70

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Solution

The fourth proportional to 9,747.10, 14,620.65 and 6,636.70 is: 9,955.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.10 : 14,620.65 = 6,636.70 : x
  2. Step 2: Convert to fraction form
    9,747.10/14,620.65 = 6,636.70/x
  3. Step 3: Cross multiply
    9,747.10x = 14,620.65 × 6,636.70
  4. Step 4: Simplify right side
    9,747.10x = 97,032,867.86
  5. Step 5: Solve for x
    x = 97,032,867.86/9,747.10
  6. Step 6: Final answer
    x = 9,955.05

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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.