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Finding the Fourth Proportional to 1,572.68, 2,357.84 and 532.04

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Solution

The fourth proportional to 1,572.68, 2,357.84 and 532.04 is: 797.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572.68 : 2,357.84 = 532.04 : x
  2. Step 2: Convert to fraction form
    1,572.68/2,357.84 = 532.04/x
  3. Step 3: Cross multiply
    1,572.68x = 2,357.84 × 532.04
  4. Step 4: Simplify right side
    1,572.68x = 1,254,454.73
  5. Step 5: Solve for x
    x = 1,254,454.73/1,572.68
  6. Step 6: Final answer
    x = 797.65

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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.