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Finding the Fourth Proportional to 64,831.97, 97,282.79 and 62,472.90

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Solution

The fourth proportional to 64,831.97, 97,282.79 and 62,472.90 is: 93,742.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,831.97 : 97,282.79 = 62,472.90 : x
  2. Step 2: Convert to fraction form
    64,831.97/97,282.79 = 62,472.90/x
  3. Step 3: Cross multiply
    64,831.97x = 97,282.79 × 62,472.90
  4. Step 4: Simplify right side
    64,831.97x = 6,077,538,011.39
  5. Step 5: Solve for x
    x = 6,077,538,011.39/64,831.97
  6. Step 6: Final answer
    x = 93,742.92

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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.