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Finding the Fourth Proportional to 62,954.76, 86,877.90 and 34,660.46

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Solution

The fourth proportional to 62,954.76, 86,877.90 and 34,660.46 is: 47,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,954.76 : 86,877.90 = 34,660.46 : x
  2. Step 2: Convert to fraction form
    62,954.76/86,877.90 = 34,660.46/x
  3. Step 3: Cross multiply
    62,954.76x = 86,877.90 × 34,660.46
  4. Step 4: Simplify right side
    62,954.76x = 3,011,227,977.83
  5. Step 5: Solve for x
    x = 3,011,227,977.83/62,954.76
  6. Step 6: Final answer
    x = 47,831.62

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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.