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Finding the Fourth Proportional to 60,471.35, 90,707.22 and 18,351.79

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Solution

The fourth proportional to 60,471.35, 90,707.22 and 18,351.79 is: 27,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,471.35 : 90,707.22 = 18,351.79 : x
  2. Step 2: Convert to fraction form
    60,471.35/90,707.22 = 18,351.79/x
  3. Step 3: Cross multiply
    60,471.35x = 90,707.22 × 18,351.79
  4. Step 4: Simplify right side
    60,471.35x = 1,664,639,852.92
  5. Step 5: Solve for x
    x = 1,664,639,852.92/60,471.35
  6. Step 6: Final answer
    x = 27,527.74

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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.