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Finding the Fourth Proportional to 1,034.23, 1,426.74 and 753.86

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Solution

The fourth proportional to 1,034.23, 1,426.74 and 753.86 is: 1,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.23 : 1,426.74 = 753.86 : x
  2. Step 2: Convert to fraction form
    1,034.23/1,426.74 = 753.86/x
  3. Step 3: Cross multiply
    1,034.23x = 1,426.74 × 753.86
  4. Step 4: Simplify right side
    1,034.23x = 1,075,562.22
  5. Step 5: Solve for x
    x = 1,075,562.22/1,034.23
  6. Step 6: Final answer
    x = 1,039.96

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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.