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Finding the Fourth Proportional to 1,341.68, 1,851.36 and 752.18

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Solution

The fourth proportional to 1,341.68, 1,851.36 and 752.18 is: 1,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.68 : 1,851.36 = 752.18 : x
  2. Step 2: Convert to fraction form
    1,341.68/1,851.36 = 752.18/x
  3. Step 3: Cross multiply
    1,341.68x = 1,851.36 × 752.18
  4. Step 4: Simplify right side
    1,341.68x = 1,392,555.96
  5. Step 5: Solve for x
    x = 1,392,555.96/1,341.68
  6. Step 6: Final answer
    x = 1,037.92

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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.