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Finding the Fourth Proportional to 49,670.99, 68,545.80 and 27,867.30

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Solution

The fourth proportional to 49,670.99, 68,545.80 and 27,867.30 is: 38,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,670.99 : 68,545.80 = 27,867.30 : x
  2. Step 2: Convert to fraction form
    49,670.99/68,545.80 = 27,867.30/x
  3. Step 3: Cross multiply
    49,670.99x = 68,545.80 × 27,867.30
  4. Step 4: Simplify right side
    49,670.99x = 1,910,186,372.34
  5. Step 5: Solve for x
    x = 1,910,186,372.34/49,670.99
  6. Step 6: Final answer
    x = 38,456.78

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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.