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Finding the Fourth Proportional to 1,149.93, 1,586.70 and 652.44

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Solution

The fourth proportional to 1,149.93, 1,586.70 and 652.44 is: 900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.93 : 1,586.70 = 652.44 : x
  2. Step 2: Convert to fraction form
    1,149.93/1,586.70 = 652.44/x
  3. Step 3: Cross multiply
    1,149.93x = 1,586.70 × 652.44
  4. Step 4: Simplify right side
    1,149.93x = 1,035,226.55
  5. Step 5: Solve for x
    x = 1,035,226.55/1,149.93
  6. Step 6: Final answer
    x = 900.25

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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.