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Finding the Fourth Proportional to 1,045.29, 1,568.00 and 738.53

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Solution

The fourth proportional to 1,045.29, 1,568.00 and 738.53 is: 1,107.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.29 : 1,568.00 = 738.53 : x
  2. Step 2: Convert to fraction form
    1,045.29/1,568.00 = 738.53/x
  3. Step 3: Cross multiply
    1,045.29x = 1,568.00 × 738.53
  4. Step 4: Simplify right side
    1,045.29x = 1,158,003.51
  5. Step 5: Solve for x
    x = 1,158,003.51/1,045.29
  6. Step 6: Final answer
    x = 1,107.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.