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Finding the Fourth Proportional to 63,077.88, 87,041.10 and 34,782.84

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Solution

The fourth proportional to 63,077.88, 87,041.10 and 34,782.84 is: 47,996.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,077.88 : 87,041.10 = 34,782.84 : x
  2. Step 2: Convert to fraction form
    63,077.88/87,041.10 = 34,782.84/x
  3. Step 3: Cross multiply
    63,077.88x = 87,041.10 × 34,782.84
  4. Step 4: Simplify right side
    63,077.88x = 3,027,536,654.72
  5. Step 5: Solve for x
    x = 3,027,536,654.72/63,077.88
  6. Step 6: Final answer
    x = 47,996.80

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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.