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Finding the Fourth Proportional to 63,319.73, 87,362.42 and 36,461.54

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Solution

The fourth proportional to 63,319.73, 87,362.42 and 36,461.54 is: 50,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,319.73 : 87,362.42 = 36,461.54 : x
  2. Step 2: Convert to fraction form
    63,319.73/87,362.42 = 36,461.54/x
  3. Step 3: Cross multiply
    63,319.73x = 87,362.42 × 36,461.54
  4. Step 4: Simplify right side
    63,319.73x = 3,185,368,407.43
  5. Step 5: Solve for x
    x = 3,185,368,407.43/63,319.73
  6. Step 6: Final answer
    x = 50,306.10

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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.