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Finding the Fourth Proportional to 35,702.52, 49,269.90 and 19,787.28

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Solution

The fourth proportional to 35,702.52, 49,269.90 and 19,787.28 is: 27,306.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,702.52 : 49,269.90 = 19,787.28 : x
  2. Step 2: Convert to fraction form
    35,702.52/49,269.90 = 19,787.28/x
  3. Step 3: Cross multiply
    35,702.52x = 49,269.90 × 19,787.28
  4. Step 4: Simplify right side
    35,702.52x = 974,917,306.87
  5. Step 5: Solve for x
    x = 974,917,306.87/35,702.52
  6. Step 6: Final answer
    x = 27,306.68

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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.