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Finding the Fourth Proportional to 63,442.90, 87,548.88 and 36,586.54

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Solution

The fourth proportional to 63,442.90, 87,548.88 and 36,586.54 is: 50,488.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,442.90 : 87,548.88 = 36,586.54 : x
  2. Step 2: Convert to fraction form
    63,442.90/87,548.88 = 36,586.54/x
  3. Step 3: Cross multiply
    63,442.90x = 87,548.88 × 36,586.54
  4. Step 4: Simplify right side
    63,442.90x = 3,203,110,600.08
  5. Step 5: Solve for x
    x = 3,203,110,600.08/63,442.90
  6. Step 6: Final answer
    x = 50,488.09

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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.