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Finding the Fourth Proportional to 8,332.95, 12,500.81 and 3,335.42

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Solution

The fourth proportional to 8,332.95, 12,500.81 and 3,335.42 is: 5,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.95 : 12,500.81 = 3,335.42 : x
  2. Step 2: Convert to fraction form
    8,332.95/12,500.81 = 3,335.42/x
  3. Step 3: Cross multiply
    8,332.95x = 12,500.81 × 3,335.42
  4. Step 4: Simplify right side
    8,332.95x = 41,695,491.28
  5. Step 5: Solve for x
    x = 41,695,491.28/8,332.95
  6. Step 6: Final answer
    x = 5,003.69

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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.