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Finding the Fourth Proportional to 11,158.75, 15,402.72 and 8,024.05

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Solution

The fourth proportional to 11,158.75, 15,402.72 and 8,024.05 is: 11,075.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.75 : 15,402.72 = 8,024.05 : x
  2. Step 2: Convert to fraction form
    11,158.75/15,402.72 = 8,024.05/x
  3. Step 3: Cross multiply
    11,158.75x = 15,402.72 × 8,024.05
  4. Step 4: Simplify right side
    11,158.75x = 123,592,195.42
  5. Step 5: Solve for x
    x = 123,592,195.42/11,158.75
  6. Step 6: Final answer
    x = 11,075.81

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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.