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Finding the Fourth Proportional to 15,459.52, 23,167.68 and 7,660.48

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Solution

The fourth proportional to 15,459.52, 23,167.68 and 7,660.48 is: 11,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.52 : 23,167.68 = 7,660.48 : x
  2. Step 2: Convert to fraction form
    15,459.52/23,167.68 = 7,660.48/x
  3. Step 3: Cross multiply
    15,459.52x = 23,167.68 × 7,660.48
  4. Step 4: Simplify right side
    15,459.52x = 177,475,549.29
  5. Step 5: Solve for x
    x = 177,475,549.29/15,459.52
  6. Step 6: Final answer
    x = 11,480.02

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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.