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Finding the Fourth Proportional to 1,060.34, 1,589.27 and 572.54

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Solution

The fourth proportional to 1,060.34, 1,589.27 and 572.54 is: 858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.34 : 1,589.27 = 572.54 : x
  2. Step 2: Convert to fraction form
    1,060.34/1,589.27 = 572.54/x
  3. Step 3: Cross multiply
    1,060.34x = 1,589.27 × 572.54
  4. Step 4: Simplify right side
    1,060.34x = 909,909.84
  5. Step 5: Solve for x
    x = 909,909.84/1,060.34
  6. Step 6: Final answer
    x = 858.13

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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.