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Finding the Fourth Proportional to 1,062.48, 1,593.88 and 514.22

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Solution

The fourth proportional to 1,062.48, 1,593.88 and 514.22 is: 771.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.48 : 1,593.88 = 514.22 : x
  2. Step 2: Convert to fraction form
    1,062.48/1,593.88 = 514.22/x
  3. Step 3: Cross multiply
    1,062.48x = 1,593.88 × 514.22
  4. Step 4: Simplify right side
    1,062.48x = 819,595.72
  5. Step 5: Solve for x
    x = 819,595.72/1,062.48
  6. Step 6: Final answer
    x = 771.40

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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.