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Finding the Fourth Proportional to 67,397.74, 101,109.57 and 25,841.50

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Solution

The fourth proportional to 67,397.74, 101,109.57 and 25,841.50 is: 38,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,397.74 : 101,109.57 = 25,841.50 : x
  2. Step 2: Convert to fraction form
    67,397.74/101,109.57 = 25,841.50/x
  3. Step 3: Cross multiply
    67,397.74x = 101,109.57 × 25,841.50
  4. Step 4: Simplify right side
    67,397.74x = 2,612,822,953.16
  5. Step 5: Solve for x
    x = 2,612,822,953.16/67,397.74
  6. Step 6: Final answer
    x = 38,767.22

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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.