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Finding the Fourth Proportional to 1,756.89, 2,422.17 and 1,359.18

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Solution

The fourth proportional to 1,756.89, 2,422.17 and 1,359.18 is: 1,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.89 : 2,422.17 = 1,359.18 : x
  2. Step 2: Convert to fraction form
    1,756.89/2,422.17 = 1,359.18/x
  3. Step 3: Cross multiply
    1,756.89x = 2,422.17 × 1,359.18
  4. Step 4: Simplify right side
    1,756.89x = 3,292,165.02
  5. Step 5: Solve for x
    x = 3,292,165.02/1,756.89
  6. Step 6: Final answer
    x = 1,873.86

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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.