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Finding the Fourth Proportional to 67,388.80, 101,002.20 and 27,925.60

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Solution

The fourth proportional to 67,388.80, 101,002.20 and 27,925.60 is: 41,854.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,388.80 : 101,002.20 = 27,925.60 : x
  2. Step 2: Convert to fraction form
    67,388.80/101,002.20 = 27,925.60/x
  3. Step 3: Cross multiply
    67,388.80x = 101,002.20 × 27,925.60
  4. Step 4: Simplify right side
    67,388.80x = 2,820,547,036.32
  5. Step 5: Solve for x
    x = 2,820,547,036.32/67,388.80
  6. Step 6: Final answer
    x = 41,854.83

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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.