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Finding the Fourth Proportional to 52,352.90, 72,248.22 and 28,480.88

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Solution

The fourth proportional to 52,352.90, 72,248.22 and 28,480.88 is: 39,304.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,352.90 : 72,248.22 = 28,480.88 : x
  2. Step 2: Convert to fraction form
    52,352.90/72,248.22 = 28,480.88/x
  3. Step 3: Cross multiply
    52,352.90x = 72,248.22 × 28,480.88
  4. Step 4: Simplify right side
    52,352.90x = 2,057,692,884.03
  5. Step 5: Solve for x
    x = 2,057,692,884.03/52,352.90
  6. Step 6: Final answer
    x = 39,304.28

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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.