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Finding the Fourth Proportional to 15,332.58, 22,987.20 and 7,932.30

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Solution

The fourth proportional to 15,332.58, 22,987.20 and 7,932.30 is: 11,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332.58 : 22,987.20 = 7,932.30 : x
  2. Step 2: Convert to fraction form
    15,332.58/22,987.20 = 7,932.30/x
  3. Step 3: Cross multiply
    15,332.58x = 22,987.20 × 7,932.30
  4. Step 4: Simplify right side
    15,332.58x = 182,341,366.56
  5. Step 5: Solve for x
    x = 182,341,366.56/15,332.58
  6. Step 6: Final answer
    x = 11,892.41

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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.