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Finding the Fourth Proportional to 60,542.17, 90,827.84 and 18,989.17

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Solution

The fourth proportional to 60,542.17, 90,827.84 and 18,989.17 is: 28,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,542.17 : 90,827.84 = 18,989.17 : x
  2. Step 2: Convert to fraction form
    60,542.17/90,827.84 = 18,989.17/x
  3. Step 3: Cross multiply
    60,542.17x = 90,827.84 × 18,989.17
  4. Step 4: Simplify right side
    60,542.17x = 1,724,745,294.49
  5. Step 5: Solve for x
    x = 1,724,745,294.49/60,542.17
  6. Step 6: Final answer
    x = 28,488.33

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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.