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Finding the Fourth Proportional to 31,703.76, 47,552.04 and 8,332.02

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Solution

The fourth proportional to 31,703.76, 47,552.04 and 8,332.02 is: 12,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.76 : 47,552.04 = 8,332.02 : x
  2. Step 2: Convert to fraction form
    31,703.76/47,552.04 = 8,332.02/x
  3. Step 3: Cross multiply
    31,703.76x = 47,552.04 × 8,332.02
  4. Step 4: Simplify right side
    31,703.76x = 396,204,548.32
  5. Step 5: Solve for x
    x = 396,204,548.32/31,703.76
  6. Step 6: Final answer
    x = 12,497.08

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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.