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Finding the Fourth Proportional to 62,944.68, 94,510.08 and 42,015.12

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Solution

The fourth proportional to 62,944.68, 94,510.08 and 42,015.12 is: 63,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,944.68 : 94,510.08 = 42,015.12 : x
  2. Step 2: Convert to fraction form
    62,944.68/94,510.08 = 42,015.12/x
  3. Step 3: Cross multiply
    62,944.68x = 94,510.08 × 42,015.12
  4. Step 4: Simplify right side
    62,944.68x = 3,970,852,352.41
  5. Step 5: Solve for x
    x = 3,970,852,352.41/62,944.68
  6. Step 6: Final answer
    x = 63,084.80

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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.