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Finding the Fourth Proportional to 1,060.41, 1,591.07 and 572.89

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Solution

The fourth proportional to 1,060.41, 1,591.07 and 572.89 is: 859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.41 : 1,591.07 = 572.89 : x
  2. Step 2: Convert to fraction form
    1,060.41/1,591.07 = 572.89/x
  3. Step 3: Cross multiply
    1,060.41x = 1,591.07 × 572.89
  4. Step 4: Simplify right side
    1,060.41x = 911,508.09
  5. Step 5: Solve for x
    x = 911,508.09/1,060.41
  6. Step 6: Final answer
    x = 859.58

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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.