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Finding the Fourth Proportional to 57,627.59, 86,451.84 and 28,045.44

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Solution

The fourth proportional to 57,627.59, 86,451.84 and 28,045.44 is: 42,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,627.59 : 86,451.84 = 28,045.44 : x
  2. Step 2: Convert to fraction form
    57,627.59/86,451.84 = 28,045.44/x
  3. Step 3: Cross multiply
    57,627.59x = 86,451.84 × 28,045.44
  4. Step 4: Simplify right side
    57,627.59x = 2,424,579,891.61
  5. Step 5: Solve for x
    x = 2,424,579,891.61/57,627.59
  6. Step 6: Final answer
    x = 42,073.25

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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.