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Finding the Fourth Proportional to 60,091.92, 90,131.00 and 15,722.96

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Solution

The fourth proportional to 60,091.92, 90,131.00 and 15,722.96 is: 23,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,091.92 : 90,131.00 = 15,722.96 : x
  2. Step 2: Convert to fraction form
    60,091.92/90,131.00 = 15,722.96/x
  3. Step 3: Cross multiply
    60,091.92x = 90,131.00 × 15,722.96
  4. Step 4: Simplify right side
    60,091.92x = 1,417,125,578.49
  5. Step 5: Solve for x
    x = 1,417,125,578.49/60,091.92
  6. Step 6: Final answer
    x = 23,582.63

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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.