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Finding the Fourth Proportional to 63,050.96, 87,009.12 and 34,370.88

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Solution

The fourth proportional to 63,050.96, 87,009.12 and 34,370.88 is: 47,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,050.96 : 87,009.12 = 34,370.88 : x
  2. Step 2: Convert to fraction form
    63,050.96/87,009.12 = 34,370.88/x
  3. Step 3: Cross multiply
    63,050.96x = 87,009.12 × 34,370.88
  4. Step 4: Simplify right side
    63,050.96x = 2,990,580,022.43
  5. Step 5: Solve for x
    x = 2,990,580,022.43/63,050.96
  6. Step 6: Final answer
    x = 47,431.16

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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.