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Finding the Fourth Proportional to 7,332.60, 10,998.90 and 6,526.20

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Solution

The fourth proportional to 7,332.60, 10,998.90 and 6,526.20 is: 9,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,332.60 : 10,998.90 = 6,526.20 : x
  2. Step 2: Convert to fraction form
    7,332.60/10,998.90 = 6,526.20/x
  3. Step 3: Cross multiply
    7,332.60x = 10,998.90 × 6,526.20
  4. Step 4: Simplify right side
    7,332.60x = 71,781,021.18
  5. Step 5: Solve for x
    x = 71,781,021.18/7,332.60
  6. Step 6: Final answer
    x = 9,789.30

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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.