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Finding the Fourth Proportional to 63,033.68, 86,988.36 and 34,741.20

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Solution

The fourth proportional to 63,033.68, 86,988.36 and 34,741.20 is: 47,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,033.68 : 86,988.36 = 34,741.20 : x
  2. Step 2: Convert to fraction form
    63,033.68/86,988.36 = 34,741.20/x
  3. Step 3: Cross multiply
    63,033.68x = 86,988.36 × 34,741.20
  4. Step 4: Simplify right side
    63,033.68x = 3,022,080,012.43
  5. Step 5: Solve for x
    x = 3,022,080,012.43/63,033.68
  6. Step 6: Final answer
    x = 47,943.89

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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.