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Finding the Fourth Proportional to 42,550.80, 58,718.52 and 23,687.52

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Solution

The fourth proportional to 42,550.80, 58,718.52 and 23,687.52 is: 32,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,550.80 : 58,718.52 = 23,687.52 : x
  2. Step 2: Convert to fraction form
    42,550.80/58,718.52 = 23,687.52/x
  3. Step 3: Cross multiply
    42,550.80x = 58,718.52 × 23,687.52
  4. Step 4: Simplify right side
    42,550.80x = 1,390,896,116.87
  5. Step 5: Solve for x
    x = 1,390,896,116.87/42,550.80
  6. Step 6: Final answer
    x = 32,687.90

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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.