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Finding the Fourth Proportional to 52,041.80, 71,817.48 and 28,168.88

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Solution

The fourth proportional to 52,041.80, 71,817.48 and 28,168.88 is: 38,872.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,041.80 : 71,817.48 = 28,168.88 : x
  2. Step 2: Convert to fraction form
    52,041.80/71,817.48 = 28,168.88/x
  3. Step 3: Cross multiply
    52,041.80x = 71,817.48 × 28,168.88
  4. Step 4: Simplify right side
    52,041.80x = 2,023,017,976.02
  5. Step 5: Solve for x
    x = 2,023,017,976.02/52,041.80
  6. Step 6: Final answer
    x = 38,872.94

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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.