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Finding the Fourth Proportional to 61,737.60, 92,649.60 and 26,702.40

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Solution

The fourth proportional to 61,737.60, 92,649.60 and 26,702.40 is: 40,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,737.60 : 92,649.60 = 26,702.40 : x
  2. Step 2: Convert to fraction form
    61,737.60/92,649.60 = 26,702.40/x
  3. Step 3: Cross multiply
    61,737.60x = 92,649.60 × 26,702.40
  4. Step 4: Simplify right side
    61,737.60x = 2,473,966,679.04
  5. Step 5: Solve for x
    x = 2,473,966,679.04/61,737.60
  6. Step 6: Final answer
    x = 40,072.28

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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.