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Finding the Fourth Proportional to 63,045, 87,002.10 and 34,751.30

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Solution

The fourth proportional to 63,045, 87,002.10 and 34,751.30 is: 47,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,045 : 87,002.10 = 34,751.30 : x
  2. Step 2: Convert to fraction form
    63,045/87,002.10 = 34,751.30/x
  3. Step 3: Cross multiply
    63,045x = 87,002.10 × 34,751.30
  4. Step 4: Simplify right side
    63,045x = 3,023,435,642.72
  5. Step 5: Solve for x
    x = 3,023,435,642.72/63,045
  6. Step 6: Final answer
    x = 47,956.79

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