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Finding the Fourth Proportional to 23,891.50, 32,962.55 and 13,279.08

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Solution

The fourth proportional to 23,891.50, 32,962.55 and 13,279.08 is: 18,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,891.50 : 32,962.55 = 13,279.08 : x
  2. Step 2: Convert to fraction form
    23,891.50/32,962.55 = 13,279.08/x
  3. Step 3: Cross multiply
    23,891.50x = 32,962.55 × 13,279.08
  4. Step 4: Simplify right side
    23,891.50x = 437,712,272.06
  5. Step 5: Solve for x
    x = 437,712,272.06/23,891.50
  6. Step 6: Final answer
    x = 18,320.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.