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Finding the Fourth Proportional to 63,541, 95,317.98 and 21,987.88

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Solution

The fourth proportional to 63,541, 95,317.98 and 21,987.88 is: 32,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,541 : 95,317.98 = 21,987.88 : x
  2. Step 2: Convert to fraction form
    63,541/95,317.98 = 21,987.88/x
  3. Step 3: Cross multiply
    63,541x = 95,317.98 × 21,987.88
  4. Step 4: Simplify right side
    63,541x = 2,095,840,306.08
  5. Step 5: Solve for x
    x = 2,095,840,306.08/63,541
  6. Step 6: Final answer
    x = 32,984.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.