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Finding the Fourth Proportional to 1,341.53, 1,851.30 and 752.05

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Solution

The fourth proportional to 1,341.53, 1,851.30 and 752.05 is: 1,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.53 : 1,851.30 = 752.05 : x
  2. Step 2: Convert to fraction form
    1,341.53/1,851.30 = 752.05/x
  3. Step 3: Cross multiply
    1,341.53x = 1,851.30 × 752.05
  4. Step 4: Simplify right side
    1,341.53x = 1,392,271.03
  5. Step 5: Solve for x
    x = 1,392,271.03/1,341.53
  6. Step 6: Final answer
    x = 1,037.82

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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.