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Finding the Fourth Proportional to 1,354.74, 2,032.01 and 533.15

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Solution

The fourth proportional to 1,354.74, 2,032.01 and 533.15 is: 799.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.74 : 2,032.01 = 533.15 : x
  2. Step 2: Convert to fraction form
    1,354.74/2,032.01 = 533.15/x
  3. Step 3: Cross multiply
    1,354.74x = 2,032.01 × 533.15
  4. Step 4: Simplify right side
    1,354.74x = 1,083,366.13
  5. Step 5: Solve for x
    x = 1,083,366.13/1,354.74
  6. Step 6: Final answer
    x = 799.69

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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.