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Finding the Fourth Proportional to 29,592.48, 40,831.68 and 18,841.68

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Solution

The fourth proportional to 29,592.48, 40,831.68 and 18,841.68 is: 25,997.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,592.48 : 40,831.68 = 18,841.68 : x
  2. Step 2: Convert to fraction form
    29,592.48/40,831.68 = 18,841.68/x
  3. Step 3: Cross multiply
    29,592.48x = 40,831.68 × 18,841.68
  4. Step 4: Simplify right side
    29,592.48x = 769,337,448.42
  5. Step 5: Solve for x
    x = 769,337,448.42/29,592.48
  6. Step 6: Final answer
    x = 25,997.73

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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.