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Finding the Fourth Proportional to 1,049.46, 1,572.93 and 562.74

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Solution

The fourth proportional to 1,049.46, 1,572.93 and 562.74 is: 843.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.46 : 1,572.93 = 562.74 : x
  2. Step 2: Convert to fraction form
    1,049.46/1,572.93 = 562.74/x
  3. Step 3: Cross multiply
    1,049.46x = 1,572.93 × 562.74
  4. Step 4: Simplify right side
    1,049.46x = 885,150.63
  5. Step 5: Solve for x
    x = 885,150.63/1,049.46
  6. Step 6: Final answer
    x = 843.43

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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.