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Finding the Fourth Proportional to 1,857.05, 2,562.70 and 1,017.76

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Solution

The fourth proportional to 1,857.05, 2,562.70 and 1,017.76 is: 1,404.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,857.05 : 2,562.70 = 1,017.76 : x
  2. Step 2: Convert to fraction form
    1,857.05/2,562.70 = 1,017.76/x
  3. Step 3: Cross multiply
    1,857.05x = 2,562.70 × 1,017.76
  4. Step 4: Simplify right side
    1,857.05x = 2,608,195.65
  5. Step 5: Solve for x
    x = 2,608,195.65/1,857.05
  6. Step 6: Final answer
    x = 1,404.48

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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.