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Finding the Fourth Proportional to 57,398.49, 86,104.18 and 15,280.21

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Solution

The fourth proportional to 57,398.49, 86,104.18 and 15,280.21 is: 22,922.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,398.49 : 86,104.18 = 15,280.21 : x
  2. Step 2: Convert to fraction form
    57,398.49/86,104.18 = 15,280.21/x
  3. Step 3: Cross multiply
    57,398.49x = 86,104.18 × 15,280.21
  4. Step 4: Simplify right side
    57,398.49x = 1,315,690,079.01
  5. Step 5: Solve for x
    x = 1,315,690,079.01/57,398.49
  6. Step 6: Final answer
    x = 22,922.03

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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.