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Finding the Fourth Proportional to 63,383.93, 87,470.87 and 34,703.12

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Solution

The fourth proportional to 63,383.93, 87,470.87 and 34,703.12 is: 47,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,383.93 : 87,470.87 = 34,703.12 : x
  2. Step 2: Convert to fraction form
    63,383.93/87,470.87 = 34,703.12/x
  3. Step 3: Cross multiply
    63,383.93x = 87,470.87 × 34,703.12
  4. Step 4: Simplify right side
    63,383.93x = 3,035,512,098.11
  5. Step 5: Solve for x
    x = 3,035,512,098.11/63,383.93
  6. Step 6: Final answer
    x = 47,890.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.