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Finding the Fourth Proportional to 58,324.80, 80,487.32 and 32,831.11

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Solution

The fourth proportional to 58,324.80, 80,487.32 and 32,831.11 is: 45,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,324.80 : 80,487.32 = 32,831.11 : x
  2. Step 2: Convert to fraction form
    58,324.80/80,487.32 = 32,831.11/x
  3. Step 3: Cross multiply
    58,324.80x = 80,487.32 × 32,831.11
  4. Step 4: Simplify right side
    58,324.80x = 2,642,487,691.15
  5. Step 5: Solve for x
    x = 2,642,487,691.15/58,324.80
  6. Step 6: Final answer
    x = 45,306.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.