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Finding the Fourth Proportional to 2,175.76, 3,263.64 and 532.32

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Solution

The fourth proportional to 2,175.76, 3,263.64 and 532.32 is: 798.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.76 : 3,263.64 = 532.32 : x
  2. Step 2: Convert to fraction form
    2,175.76/3,263.64 = 532.32/x
  3. Step 3: Cross multiply
    2,175.76x = 3,263.64 × 532.32
  4. Step 4: Simplify right side
    2,175.76x = 1,737,300.84
  5. Step 5: Solve for x
    x = 1,737,300.84/2,175.76
  6. Step 6: Final answer
    x = 798.48

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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.