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Finding the Fourth Proportional to 63,642.92, 95,464.65 and 21,523.22

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Solution

The fourth proportional to 63,642.92, 95,464.65 and 21,523.22 is: 32,284.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,642.92 : 95,464.65 = 21,523.22 : x
  2. Step 2: Convert to fraction form
    63,642.92/95,464.65 = 21,523.22/x
  3. Step 3: Cross multiply
    63,642.92x = 95,464.65 × 21,523.22
  4. Step 4: Simplify right side
    63,642.92x = 2,054,706,664.17
  5. Step 5: Solve for x
    x = 2,054,706,664.17/63,642.92
  6. Step 6: Final answer
    x = 32,284.92

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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.