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Finding the Fourth Proportional to 1,350.83, 1,864.07 and 753.29

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Solution

The fourth proportional to 1,350.83, 1,864.07 and 753.29 is: 1,039.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.83 : 1,864.07 = 753.29 : x
  2. Step 2: Convert to fraction form
    1,350.83/1,864.07 = 753.29/x
  3. Step 3: Cross multiply
    1,350.83x = 1,864.07 × 753.29
  4. Step 4: Simplify right side
    1,350.83x = 1,404,172.20
  5. Step 5: Solve for x
    x = 1,404,172.20/1,350.83
  6. Step 6: Final answer
    x = 1,039.49

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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.