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Finding the Fourth Proportional to 13,949.32, 19,250.04 and 7,575.88

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Solution

The fourth proportional to 13,949.32, 19,250.04 and 7,575.88 is: 10,454.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.32 : 19,250.04 = 7,575.88 : x
  2. Step 2: Convert to fraction form
    13,949.32/19,250.04 = 7,575.88/x
  3. Step 3: Cross multiply
    13,949.32x = 19,250.04 × 7,575.88
  4. Step 4: Simplify right side
    13,949.32x = 145,835,993.04
  5. Step 5: Solve for x
    x = 145,835,993.04/13,949.32
  6. Step 6: Final answer
    x = 10,454.70

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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.