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Finding the Fourth Proportional to 63,302.31, 87,353.93 and 34,616.39

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Solution

The fourth proportional to 63,302.31, 87,353.93 and 34,616.39 is: 47,768.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,302.31 : 87,353.93 = 34,616.39 : x
  2. Step 2: Convert to fraction form
    63,302.31/87,353.93 = 34,616.39/x
  3. Step 3: Cross multiply
    63,302.31x = 87,353.93 × 34,616.39
  4. Step 4: Simplify right side
    63,302.31x = 3,023,877,409.65
  5. Step 5: Solve for x
    x = 3,023,877,409.65/63,302.31
  6. Step 6: Final answer
    x = 47,768.83

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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.