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Finding the Fourth Proportional to 71,173.52, 98,223.24 and 40,963.44

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Solution

The fourth proportional to 71,173.52, 98,223.24 and 40,963.44 is: 56,531.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,173.52 : 98,223.24 = 40,963.44 : x
  2. Step 2: Convert to fraction form
    71,173.52/98,223.24 = 40,963.44/x
  3. Step 3: Cross multiply
    71,173.52x = 98,223.24 × 40,963.44
  4. Step 4: Simplify right side
    71,173.52x = 4,023,561,798.35
  5. Step 5: Solve for x
    x = 4,023,561,798.35/71,173.52
  6. Step 6: Final answer
    x = 56,531.72

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1.5x scale

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.