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Finding the Fourth Proportional to 61,432.30, 92,002.65 and 37,812.70

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Solution

The fourth proportional to 61,432.30, 92,002.65 and 37,812.70 is: 56,629.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,432.30 : 92,002.65 = 37,812.70 : x
  2. Step 2: Convert to fraction form
    61,432.30/92,002.65 = 37,812.70/x
  3. Step 3: Cross multiply
    61,432.30x = 92,002.65 × 37,812.70
  4. Step 4: Simplify right side
    61,432.30x = 3,478,868,603.66
  5. Step 5: Solve for x
    x = 3,478,868,603.66/61,432.30
  6. Step 6: Final answer
    x = 56,629.31

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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.