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Finding the Fourth Proportional to 62,039.94, 85,663.17 and 47,677.02

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Solution

The fourth proportional to 62,039.94, 85,663.17 and 47,677.02 is: 65,831.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,039.94 : 85,663.17 = 47,677.02 : x
  2. Step 2: Convert to fraction form
    62,039.94/85,663.17 = 47,677.02/x
  3. Step 3: Cross multiply
    62,039.94x = 85,663.17 × 47,677.02
  4. Step 4: Simplify right side
    62,039.94x = 4,084,164,669.35
  5. Step 5: Solve for x
    x = 4,084,164,669.35/62,039.94
  6. Step 6: Final answer
    x = 65,831.22

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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.