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Finding the Fourth Proportional to 10,079.16, 15,065.72 and 8,752.38

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Solution

The fourth proportional to 10,079.16, 15,065.72 and 8,752.38 is: 13,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.16 : 15,065.72 = 8,752.38 : x
  2. Step 2: Convert to fraction form
    10,079.16/15,065.72 = 8,752.38/x
  3. Step 3: Cross multiply
    10,079.16x = 15,065.72 × 8,752.38
  4. Step 4: Simplify right side
    10,079.16x = 131,860,862.65
  5. Step 5: Solve for x
    x = 131,860,862.65/10,079.16
  6. Step 6: Final answer
    x = 13,082.52

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.