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Finding the Fourth Proportional to 2,500.93, 3,753.02 and 1,115.11

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Solution

The fourth proportional to 2,500.93, 3,753.02 and 1,115.11 is: 1,673.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.93 : 3,753.02 = 1,115.11 : x
  2. Step 2: Convert to fraction form
    2,500.93/3,753.02 = 1,115.11/x
  3. Step 3: Cross multiply
    2,500.93x = 3,753.02 × 1,115.11
  4. Step 4: Simplify right side
    2,500.93x = 4,185,030.13
  5. Step 5: Solve for x
    x = 4,185,030.13/2,500.93
  6. Step 6: Final answer
    x = 1,673.39

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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.