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Finding the Fourth Proportional to 67,000.96, 100,509.36 and 29,545.12

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Solution

The fourth proportional to 67,000.96, 100,509.36 and 29,545.12 is: 44,321.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,000.96 : 100,509.36 = 29,545.12 : x
  2. Step 2: Convert to fraction form
    67,000.96/100,509.36 = 29,545.12/x
  3. Step 3: Cross multiply
    67,000.96x = 100,509.36 × 29,545.12
  4. Step 4: Simplify right side
    67,000.96x = 2,969,561,102.32
  5. Step 5: Solve for x
    x = 2,969,561,102.32/67,000.96
  6. Step 6: Final answer
    x = 44,321.17

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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.