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Finding the Fourth Proportional to 1,046.66, 1,572.03 and 1,008.59

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Solution

The fourth proportional to 1,046.66, 1,572.03 and 1,008.59 is: 1,514.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.66 : 1,572.03 = 1,008.59 : x
  2. Step 2: Convert to fraction form
    1,046.66/1,572.03 = 1,008.59/x
  3. Step 3: Cross multiply
    1,046.66x = 1,572.03 × 1,008.59
  4. Step 4: Simplify right side
    1,046.66x = 1,585,525.88
  5. Step 5: Solve for x
    x = 1,585,525.88/1,046.66
  6. Step 6: Final answer
    x = 1,514.85

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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.