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Finding the Fourth Proportional to 17,864.80, 24,653.49 and 9,907.76

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Solution

The fourth proportional to 17,864.80, 24,653.49 and 9,907.76 is: 13,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.80 : 24,653.49 = 9,907.76 : x
  2. Step 2: Convert to fraction form
    17,864.80/24,653.49 = 9,907.76/x
  3. Step 3: Cross multiply
    17,864.80x = 24,653.49 × 9,907.76
  4. Step 4: Simplify right side
    17,864.80x = 244,260,862.08
  5. Step 5: Solve for x
    x = 244,260,862.08/17,864.80
  6. Step 6: Final answer
    x = 13,672.75

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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.