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Finding the Fourth Proportional to 1,874.46, 2,805.11 and 1,541.38

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Solution

The fourth proportional to 1,874.46, 2,805.11 and 1,541.38 is: 2,306.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874.46 : 2,805.11 = 1,541.38 : x
  2. Step 2: Convert to fraction form
    1,874.46/2,805.11 = 1,541.38/x
  3. Step 3: Cross multiply
    1,874.46x = 2,805.11 × 1,541.38
  4. Step 4: Simplify right side
    1,874.46x = 4,323,740.45
  5. Step 5: Solve for x
    x = 4,323,740.45/1,874.46
  6. Step 6: Final answer
    x = 2,306.66

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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.