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Finding the Fourth Proportional to 83,572.35, 125,359.73 and 27,416.87

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Solution

The fourth proportional to 83,572.35, 125,359.73 and 27,416.87 is: 41,125.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,572.35 : 125,359.73 = 27,416.87 : x
  2. Step 2: Convert to fraction form
    83,572.35/125,359.73 = 27,416.87/x
  3. Step 3: Cross multiply
    83,572.35x = 125,359.73 × 27,416.87
  4. Step 4: Simplify right side
    83,572.35x = 3,436,971,420.65
  5. Step 5: Solve for x
    x = 3,436,971,420.65/83,572.35
  6. Step 6: Final answer
    x = 41,125.70

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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.