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Finding the Fourth Proportional to 8,332.34, 12,496.08 and 3,948.62

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Solution

The fourth proportional to 8,332.34, 12,496.08 and 3,948.62 is: 5,921.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.34 : 12,496.08 = 3,948.62 : x
  2. Step 2: Convert to fraction form
    8,332.34/12,496.08 = 3,948.62/x
  3. Step 3: Cross multiply
    8,332.34x = 12,496.08 × 3,948.62
  4. Step 4: Simplify right side
    8,332.34x = 49,342,271.41
  5. Step 5: Solve for x
    x = 49,342,271.41/8,332.34
  6. Step 6: Final answer
    x = 5,921.78

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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.