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Finding the Fourth Proportional to 62,471.46, 93,707.11 and 20,351.48

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Solution

The fourth proportional to 62,471.46, 93,707.11 and 20,351.48 is: 30,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.46 : 93,707.11 = 20,351.48 : x
  2. Step 2: Convert to fraction form
    62,471.46/93,707.11 = 20,351.48/x
  3. Step 3: Cross multiply
    62,471.46x = 93,707.11 × 20,351.48
  4. Step 4: Simplify right side
    62,471.46x = 1,907,077,855.61
  5. Step 5: Solve for x
    x = 1,907,077,855.61/62,471.46
  6. Step 6: Final answer
    x = 30,527.19

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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.