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Finding the Fourth Proportional to 1,149.49, 1,586.23 and 652.20

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Solution

The fourth proportional to 1,149.49, 1,586.23 and 652.20 is: 900.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.49 : 1,586.23 = 652.20 : x
  2. Step 2: Convert to fraction form
    1,149.49/1,586.23 = 652.20/x
  3. Step 3: Cross multiply
    1,149.49x = 1,586.23 × 652.20
  4. Step 4: Simplify right side
    1,149.49x = 1,034,539.21
  5. Step 5: Solve for x
    x = 1,034,539.21/1,149.49
  6. Step 6: Final answer
    x = 900.00

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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.