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Finding the Fourth Proportional to 60,918.84, 84,078.90 and 36,724.14

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Solution

The fourth proportional to 60,918.84, 84,078.90 and 36,724.14 is: 50,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,918.84 : 84,078.90 = 36,724.14 : x
  2. Step 2: Convert to fraction form
    60,918.84/84,078.90 = 36,724.14/x
  3. Step 3: Cross multiply
    60,918.84x = 84,078.90 × 36,724.14
  4. Step 4: Simplify right side
    60,918.84x = 3,087,725,294.65
  5. Step 5: Solve for x
    x = 3,087,725,294.65/60,918.84
  6. Step 6: Final answer
    x = 50,685.88

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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.