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Finding the Fourth Proportional to 1,354.65, 2,032.47 and 532.47

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Solution

The fourth proportional to 1,354.65, 2,032.47 and 532.47 is: 798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.65 : 2,032.47 = 532.47 : x
  2. Step 2: Convert to fraction form
    1,354.65/2,032.47 = 532.47/x
  3. Step 3: Cross multiply
    1,354.65x = 2,032.47 × 532.47
  4. Step 4: Simplify right side
    1,354.65x = 1,082,226.64
  5. Step 5: Solve for x
    x = 1,082,226.64/1,354.65
  6. Step 6: Final answer
    x = 798.90

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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.