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Finding the Fourth Proportional to 1,149.38, 1,586.02 and 652.01

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Solution

The fourth proportional to 1,149.38, 1,586.02 and 652.01 is: 899.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.38 : 1,586.02 = 652.01 : x
  2. Step 2: Convert to fraction form
    1,149.38/1,586.02 = 652.01/x
  3. Step 3: Cross multiply
    1,149.38x = 1,586.02 × 652.01
  4. Step 4: Simplify right side
    1,149.38x = 1,034,100.90
  5. Step 5: Solve for x
    x = 1,034,100.90/1,149.38
  6. Step 6: Final answer
    x = 899.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.