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Finding the Fourth Proportional to 60,861.74, 91,253.54 and 25,347.66

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Solution

The fourth proportional to 60,861.74, 91,253.54 and 25,347.66 is: 38,005.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,861.74 : 91,253.54 = 25,347.66 : x
  2. Step 2: Convert to fraction form
    60,861.74/91,253.54 = 25,347.66/x
  3. Step 3: Cross multiply
    60,861.74x = 91,253.54 × 25,347.66
  4. Step 4: Simplify right side
    60,861.74x = 2,313,063,705.72
  5. Step 5: Solve for x
    x = 2,313,063,705.72/60,861.74
  6. Step 6: Final answer
    x = 38,005.22

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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.