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Finding the Fourth Proportional to 28,758.65, 43,150.53 and 10,052.11

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Solution

The fourth proportional to 28,758.65, 43,150.53 and 10,052.11 is: 15,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,758.65 : 43,150.53 = 10,052.11 : x
  2. Step 2: Convert to fraction form
    28,758.65/43,150.53 = 10,052.11/x
  3. Step 3: Cross multiply
    28,758.65x = 43,150.53 × 10,052.11
  4. Step 4: Simplify right side
    28,758.65x = 433,753,816.12
  5. Step 5: Solve for x
    x = 433,753,816.12/28,758.65
  6. Step 6: Final answer
    x = 15,082.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.