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Finding the Fourth Proportional to 63,068.88, 94,605.76 and 21,515.88

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Solution

The fourth proportional to 63,068.88, 94,605.76 and 21,515.88 is: 32,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,068.88 : 94,605.76 = 21,515.88 : x
  2. Step 2: Convert to fraction form
    63,068.88/94,605.76 = 21,515.88/x
  3. Step 3: Cross multiply
    63,068.88x = 94,605.76 × 21,515.88
  4. Step 4: Simplify right side
    63,068.88x = 2,035,526,179.47
  5. Step 5: Solve for x
    x = 2,035,526,179.47/63,068.88
  6. Step 6: Final answer
    x = 32,274.65

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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.