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Finding the Fourth Proportional to 63,309.68, 94,932.88 and 21,175.08

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Solution

The fourth proportional to 63,309.68, 94,932.88 and 21,175.08 is: 31,752.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,309.68 : 94,932.88 = 21,175.08 : x
  2. Step 2: Convert to fraction form
    63,309.68/94,932.88 = 21,175.08/x
  3. Step 3: Cross multiply
    63,309.68x = 94,932.88 × 21,175.08
  4. Step 4: Simplify right side
    63,309.68x = 2,010,211,328.63
  5. Step 5: Solve for x
    x = 2,010,211,328.63/63,309.68
  6. Step 6: Final answer
    x = 31,752.04

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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.