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Finding the Fourth Proportional to 57,238.52, 85,866.99 and 27,658.53

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Solution

The fourth proportional to 57,238.52, 85,866.99 and 27,658.53 is: 41,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,238.52 : 85,866.99 = 27,658.53 : x
  2. Step 2: Convert to fraction form
    57,238.52/85,866.99 = 27,658.53/x
  3. Step 3: Cross multiply
    57,238.52x = 85,866.99 × 27,658.53
  4. Step 4: Simplify right side
    57,238.52x = 2,374,954,718.92
  5. Step 5: Solve for x
    x = 2,374,954,718.92/57,238.52
  6. Step 6: Final answer
    x = 41,492.25

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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.