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Finding the Fourth Proportional to 49,581.84, 74,356.98 and 16,294.20

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Solution

The fourth proportional to 49,581.84, 74,356.98 and 16,294.20 is: 24,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,581.84 : 74,356.98 = 16,294.20 : x
  2. Step 2: Convert to fraction form
    49,581.84/74,356.98 = 16,294.20/x
  3. Step 3: Cross multiply
    49,581.84x = 74,356.98 × 16,294.20
  4. Step 4: Simplify right side
    49,581.84x = 1,211,587,503.52
  5. Step 5: Solve for x
    x = 1,211,587,503.52/49,581.84
  6. Step 6: Final answer
    x = 24,436.11

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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.