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Finding the Fourth Proportional to 8,582.80, 12,874.01 and 2,342.70

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Solution

The fourth proportional to 8,582.80, 12,874.01 and 2,342.70 is: 3,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,582.80 : 12,874.01 = 2,342.70 : x
  2. Step 2: Convert to fraction form
    8,582.80/12,874.01 = 2,342.70/x
  3. Step 3: Cross multiply
    8,582.80x = 12,874.01 × 2,342.70
  4. Step 4: Simplify right side
    8,582.80x = 30,159,943.23
  5. Step 5: Solve for x
    x = 30,159,943.23/8,582.80
  6. Step 6: Final answer
    x = 3,514.00

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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.