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Finding the Fourth Proportional to 63,274.68, 87,317.82 and 34,980.12

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Solution

The fourth proportional to 63,274.68, 87,317.82 and 34,980.12 is: 48,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,274.68 : 87,317.82 = 34,980.12 : x
  2. Step 2: Convert to fraction form
    63,274.68/87,317.82 = 34,980.12/x
  3. Step 3: Cross multiply
    63,274.68x = 87,317.82 × 34,980.12
  4. Step 4: Simplify right side
    63,274.68x = 3,054,387,821.74
  5. Step 5: Solve for x
    x = 3,054,387,821.74/63,274.68
  6. Step 6: Final answer
    x = 48,271.88

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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.