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Finding the Fourth Proportional to 60,448.72, 90,702.78 and 27,192.28

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Solution

The fourth proportional to 60,448.72, 90,702.78 and 27,192.28 is: 40,801.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,448.72 : 90,702.78 = 27,192.28 : x
  2. Step 2: Convert to fraction form
    60,448.72/90,702.78 = 27,192.28/x
  3. Step 3: Cross multiply
    60,448.72x = 90,702.78 × 27,192.28
  4. Step 4: Simplify right side
    60,448.72x = 2,466,415,390.54
  5. Step 5: Solve for x
    x = 2,466,415,390.54/60,448.72
  6. Step 6: Final answer
    x = 40,801.78

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1.5x scale

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.