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Finding the Fourth Proportional to 1,826.48, 2,740.62 and 852.42

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Solution

The fourth proportional to 1,826.48, 2,740.62 and 852.42 is: 1,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.48 : 2,740.62 = 852.42 : x
  2. Step 2: Convert to fraction form
    1,826.48/2,740.62 = 852.42/x
  3. Step 3: Cross multiply
    1,826.48x = 2,740.62 × 852.42
  4. Step 4: Simplify right side
    1,826.48x = 2,336,159.30
  5. Step 5: Solve for x
    x = 2,336,159.30/1,826.48
  6. Step 6: Final answer
    x = 1,279.05

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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.