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Finding the Fourth Proportional to 1,592.35, 2,387.65 and 852.83

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Solution

The fourth proportional to 1,592.35, 2,387.65 and 852.83 is: 1,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592.35 : 2,387.65 = 852.83 : x
  2. Step 2: Convert to fraction form
    1,592.35/2,387.65 = 852.83/x
  3. Step 3: Cross multiply
    1,592.35x = 2,387.65 × 852.83
  4. Step 4: Simplify right side
    1,592.35x = 2,036,259.55
  5. Step 5: Solve for x
    x = 2,036,259.55/1,592.35
  6. Step 6: Final answer
    x = 1,278.78

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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.