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Finding the Fourth Proportional to 2,472.92, 3,705.54 and 1,559

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Solution

The fourth proportional to 2,472.92, 3,705.54 and 1,559 is: 2,336.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,472.92 : 3,705.54 = 1,559 : x
  2. Step 2: Convert to fraction form
    2,472.92/3,705.54 = 1,559/x
  3. Step 3: Cross multiply
    2,472.92x = 3,705.54 × 1,559
  4. Step 4: Simplify right side
    2,472.92x = 5,776,936.86
  5. Step 5: Solve for x
    x = 5,776,936.86/2,472.92
  6. Step 6: Final answer
    x = 2,336.08

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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.