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Finding the Fourth Proportional to 67,038.92, 100,600.73 and 37,476.15

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Solution

The fourth proportional to 67,038.92, 100,600.73 and 37,476.15 is: 56,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,038.92 : 100,600.73 = 37,476.15 : x
  2. Step 2: Convert to fraction form
    67,038.92/100,600.73 = 37,476.15/x
  3. Step 3: Cross multiply
    67,038.92x = 100,600.73 × 37,476.15
  4. Step 4: Simplify right side
    67,038.92x = 3,770,128,047.59
  5. Step 5: Solve for x
    x = 3,770,128,047.59/67,038.92
  6. Step 6: Final answer
    x = 56,237.90

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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.