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Finding the Fourth Proportional to 4,701.74, 7,052.79 and 1,581.87

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Solution

The fourth proportional to 4,701.74, 7,052.79 and 1,581.87 is: 2,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,701.74 : 7,052.79 = 1,581.87 : x
  2. Step 2: Convert to fraction form
    4,701.74/7,052.79 = 1,581.87/x
  3. Step 3: Cross multiply
    4,701.74x = 7,052.79 × 1,581.87
  4. Step 4: Simplify right side
    4,701.74x = 11,156,596.92
  5. Step 5: Solve for x
    x = 11,156,596.92/4,701.74
  6. Step 6: Final answer
    x = 2,372.87

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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.