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Finding the Fourth Proportional to 2,175.62, 3,263.43 and 532.17

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Solution

The fourth proportional to 2,175.62, 3,263.43 and 532.17 is: 798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.62 : 3,263.43 = 532.17 : x
  2. Step 2: Convert to fraction form
    2,175.62/3,263.43 = 532.17/x
  3. Step 3: Cross multiply
    2,175.62x = 3,263.43 × 532.17
  4. Step 4: Simplify right side
    2,175.62x = 1,736,683.23
  5. Step 5: Solve for x
    x = 1,736,683.23/2,175.62
  6. Step 6: Final answer
    x = 798.25

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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.