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Finding the Fourth Proportional to 60,169.84, 90,269.16 and 18,616.84

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Solution

The fourth proportional to 60,169.84, 90,269.16 and 18,616.84 is: 27,929.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,169.84 : 90,269.16 = 18,616.84 : x
  2. Step 2: Convert to fraction form
    60,169.84/90,269.16 = 18,616.84/x
  3. Step 3: Cross multiply
    60,169.84x = 90,269.16 × 18,616.84
  4. Step 4: Simplify right side
    60,169.84x = 1,680,526,508.65
  5. Step 5: Solve for x
    x = 1,680,526,508.65/60,169.84
  6. Step 6: Final answer
    x = 27,929.72

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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.