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Finding the Fourth Proportional to 1,061.99, 1,592.85 and 541.79

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Solution

The fourth proportional to 1,061.99, 1,592.85 and 541.79 is: 812.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061.99 : 1,592.85 = 541.79 : x
  2. Step 2: Convert to fraction form
    1,061.99/1,592.85 = 541.79/x
  3. Step 3: Cross multiply
    1,061.99x = 1,592.85 × 541.79
  4. Step 4: Simplify right side
    1,061.99x = 862,990.20
  5. Step 5: Solve for x
    x = 862,990.20/1,061.99
  6. Step 6: Final answer
    x = 812.62

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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.