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Finding the Fourth Proportional to 7,502.30, 11,253.45 and 7,459.10

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Solution

The fourth proportional to 7,502.30, 11,253.45 and 7,459.10 is: 11,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.30 : 11,253.45 = 7,459.10 : x
  2. Step 2: Convert to fraction form
    7,502.30/11,253.45 = 7,459.10/x
  3. Step 3: Cross multiply
    7,502.30x = 11,253.45 × 7,459.10
  4. Step 4: Simplify right side
    7,502.30x = 83,940,608.90
  5. Step 5: Solve for x
    x = 83,940,608.90/7,502.30
  6. Step 6: Final answer
    x = 11,188.65

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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.