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Finding the Fourth Proportional to 1,183.55, 1,775.08 and 534.13

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Solution

The fourth proportional to 1,183.55, 1,775.08 and 534.13 is: 801.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.55 : 1,775.08 = 534.13 : x
  2. Step 2: Convert to fraction form
    1,183.55/1,775.08 = 534.13/x
  3. Step 3: Cross multiply
    1,183.55x = 1,775.08 × 534.13
  4. Step 4: Simplify right side
    1,183.55x = 948,119.71
  5. Step 5: Solve for x
    x = 948,119.71/1,183.55
  6. Step 6: Final answer
    x = 801.08

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Why These Related Problems?

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