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Finding the Fourth Proportional to 1,350.47, 2,024.87 and 571.05

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Solution

The fourth proportional to 1,350.47, 2,024.87 and 571.05 is: 856.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.47 : 2,024.87 = 571.05 : x
  2. Step 2: Convert to fraction form
    1,350.47/2,024.87 = 571.05/x
  3. Step 3: Cross multiply
    1,350.47x = 2,024.87 × 571.05
  4. Step 4: Simplify right side
    1,350.47x = 1,156,299.16
  5. Step 5: Solve for x
    x = 1,156,299.16/1,350.47
  6. Step 6: Final answer
    x = 856.22

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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.