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Finding the Fourth Proportional to 1,555.00, 2,330.89 and 1,162.24

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Solution

The fourth proportional to 1,555.00, 2,330.89 and 1,162.24 is: 1,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555.00 : 2,330.89 = 1,162.24 : x
  2. Step 2: Convert to fraction form
    1,555.00/2,330.89 = 1,162.24/x
  3. Step 3: Cross multiply
    1,555.00x = 2,330.89 × 1,162.24
  4. Step 4: Simplify right side
    1,555.00x = 2,709,044.86
  5. Step 5: Solve for x
    x = 2,709,044.86/1,555.00
  6. Step 6: Final answer
    x = 1,742.15

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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.