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Finding the Fourth Proportional to 1,150.03, 1,586.99 and 652.66

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Solution

The fourth proportional to 1,150.03, 1,586.99 and 652.66 is: 900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.03 : 1,586.99 = 652.66 : x
  2. Step 2: Convert to fraction form
    1,150.03/1,586.99 = 652.66/x
  3. Step 3: Cross multiply
    1,150.03x = 1,586.99 × 652.66
  4. Step 4: Simplify right side
    1,150.03x = 1,035,757.66
  5. Step 5: Solve for x
    x = 1,035,757.66/1,150.03
  6. Step 6: Final answer
    x = 900.64

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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.