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Finding the Fourth Proportional to 1,061.95, 1,592.07 and 484.42

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Solution

The fourth proportional to 1,061.95, 1,592.07 and 484.42 is: 726.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061.95 : 1,592.07 = 484.42 : x
  2. Step 2: Convert to fraction form
    1,061.95/1,592.07 = 484.42/x
  3. Step 3: Cross multiply
    1,061.95x = 1,592.07 × 484.42
  4. Step 4: Simplify right side
    1,061.95x = 771,230.55
  5. Step 5: Solve for x
    x = 771,230.55/1,061.95
  6. Step 6: Final answer
    x = 726.24

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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.