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Finding the Fourth Proportional to 62,211.92, 93,332.40 and 20,658.88

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Solution

The fourth proportional to 62,211.92, 93,332.40 and 20,658.88 is: 30,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,211.92 : 93,332.40 = 20,658.88 : x
  2. Step 2: Convert to fraction form
    62,211.92/93,332.40 = 20,658.88/x
  3. Step 3: Cross multiply
    62,211.92x = 93,332.40 × 20,658.88
  4. Step 4: Simplify right side
    62,211.92x = 1,928,142,851.71
  5. Step 5: Solve for x
    x = 1,928,142,851.71/62,211.92
  6. Step 6: Final answer
    x = 30,993.14

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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.