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Finding the Fourth Proportional to 1,342.52, 2,014.56 and 573

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Solution

The fourth proportional to 1,342.52, 2,014.56 and 573 is: 859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.52 : 2,014.56 = 573 : x
  2. Step 2: Convert to fraction form
    1,342.52/2,014.56 = 573/x
  3. Step 3: Cross multiply
    1,342.52x = 2,014.56 × 573
  4. Step 4: Simplify right side
    1,342.52x = 1,154,342.88
  5. Step 5: Solve for x
    x = 1,154,342.88/1,342.52
  6. Step 6: Final answer
    x = 859.83

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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.