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Finding the Fourth Proportional to 67,592.39, 101,412.68 and 30,149.10

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Solution

The fourth proportional to 67,592.39, 101,412.68 and 30,149.10 is: 45,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,592.39 : 101,412.68 = 30,149.10 : x
  2. Step 2: Convert to fraction form
    67,592.39/101,412.68 = 30,149.10/x
  3. Step 3: Cross multiply
    67,592.39x = 101,412.68 × 30,149.10
  4. Step 4: Simplify right side
    67,592.39x = 3,057,500,879.84
  5. Step 5: Solve for x
    x = 3,057,500,879.84/67,592.39
  6. Step 6: Final answer
    x = 45,234.40

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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.