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Finding the Fourth Proportional to 10,947.04, 15,094.92 and 7,404.16

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Solution

The fourth proportional to 10,947.04, 15,094.92 and 7,404.16 is: 10,209.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.04 : 15,094.92 = 7,404.16 : x
  2. Step 2: Convert to fraction form
    10,947.04/15,094.92 = 7,404.16/x
  3. Step 3: Cross multiply
    10,947.04x = 15,094.92 × 7,404.16
  4. Step 4: Simplify right side
    10,947.04x = 111,765,202.87
  5. Step 5: Solve for x
    x = 111,765,202.87/10,947.04
  6. Step 6: Final answer
    x = 10,209.63

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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.