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Finding the Fourth Proportional to 1,355.31, 2,032.16 and 532.98

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Solution

The fourth proportional to 1,355.31, 2,032.16 and 532.98 is: 799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355.31 : 2,032.16 = 532.98 : x
  2. Step 2: Convert to fraction form
    1,355.31/2,032.16 = 532.98/x
  3. Step 3: Cross multiply
    1,355.31x = 2,032.16 × 532.98
  4. Step 4: Simplify right side
    1,355.31x = 1,083,097.97
  5. Step 5: Solve for x
    x = 1,083,097.97/1,355.31
  6. Step 6: Final answer
    x = 799.15

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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.