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Finding the Fourth Proportional to 63,340.43, 87,408.42 and 34,659.96

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Solution

The fourth proportional to 63,340.43, 87,408.42 and 34,659.96 is: 47,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,340.43 : 87,408.42 = 34,659.96 : x
  2. Step 2: Convert to fraction form
    63,340.43/87,408.42 = 34,659.96/x
  3. Step 3: Cross multiply
    63,340.43x = 87,408.42 × 34,659.96
  4. Step 4: Simplify right side
    63,340.43x = 3,029,572,340.86
  5. Step 5: Solve for x
    x = 3,029,572,340.86/63,340.43
  6. Step 6: Final answer
    x = 47,830.00

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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.