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Finding the Fourth Proportional to 1,120.18, 1,545.33 and 700.26

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Solution

The fourth proportional to 1,120.18, 1,545.33 and 700.26 is: 966.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120.18 : 1,545.33 = 700.26 : x
  2. Step 2: Convert to fraction form
    1,120.18/1,545.33 = 700.26/x
  3. Step 3: Cross multiply
    1,120.18x = 1,545.33 × 700.26
  4. Step 4: Simplify right side
    1,120.18x = 1,082,132.79
  5. Step 5: Solve for x
    x = 1,082,132.79/1,120.18
  6. Step 6: Final answer
    x = 966.03

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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.