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Finding the Fourth Proportional to 1,035.18, 1,553.02 and 377.16

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Solution

The fourth proportional to 1,035.18, 1,553.02 and 377.16 is: 565.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035.18 : 1,553.02 = 377.16 : x
  2. Step 2: Convert to fraction form
    1,035.18/1,553.02 = 377.16/x
  3. Step 3: Cross multiply
    1,035.18x = 1,553.02 × 377.16
  4. Step 4: Simplify right side
    1,035.18x = 585,732.38
  5. Step 5: Solve for x
    x = 585,732.38/1,035.18
  6. Step 6: Final answer
    x = 565.83

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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.