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Finding the Fourth Proportional to 63,374.85, 87,448.14 and 35,080.47

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Solution

The fourth proportional to 63,374.85, 87,448.14 and 35,080.47 is: 48,405.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,374.85 : 87,448.14 = 35,080.47 : x
  2. Step 2: Convert to fraction form
    63,374.85/87,448.14 = 35,080.47/x
  3. Step 3: Cross multiply
    63,374.85x = 87,448.14 × 35,080.47
  4. Step 4: Simplify right side
    63,374.85x = 3,067,721,851.83
  5. Step 5: Solve for x
    x = 3,067,721,851.83/63,374.85
  6. Step 6: Final answer
    x = 48,405.98

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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.