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Finding the Fourth Proportional to 3,722.58, 5,581.74 and 1,532.82

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Solution

The fourth proportional to 3,722.58, 5,581.74 and 1,532.82 is: 2,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.58 : 5,581.74 = 1,532.82 : x
  2. Step 2: Convert to fraction form
    3,722.58/5,581.74 = 1,532.82/x
  3. Step 3: Cross multiply
    3,722.58x = 5,581.74 × 1,532.82
  4. Step 4: Simplify right side
    3,722.58x = 8,555,802.71
  5. Step 5: Solve for x
    x = 8,555,802.71/3,722.58
  6. Step 6: Final answer
    x = 2,298.35

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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.