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Finding the Fourth Proportional to 8,330.68, 12,502.16 and 3,948.12

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Solution

The fourth proportional to 8,330.68, 12,502.16 and 3,948.12 is: 5,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.68 : 12,502.16 = 3,948.12 : x
  2. Step 2: Convert to fraction form
    8,330.68/12,502.16 = 3,948.12/x
  3. Step 3: Cross multiply
    8,330.68x = 12,502.16 × 3,948.12
  4. Step 4: Simplify right side
    8,330.68x = 49,360,027.94
  5. Step 5: Solve for x
    x = 49,360,027.94/8,330.68
  6. Step 6: Final answer
    x = 5,925.09

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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.