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Finding the Fourth Proportional to 3,714.78, 5,569.78 and 2,069.07

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Solution

The fourth proportional to 3,714.78, 5,569.78 and 2,069.07 is: 3,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.78 : 5,569.78 = 2,069.07 : x
  2. Step 2: Convert to fraction form
    3,714.78/5,569.78 = 2,069.07/x
  3. Step 3: Cross multiply
    3,714.78x = 5,569.78 × 2,069.07
  4. Step 4: Simplify right side
    3,714.78x = 11,524,236.86
  5. Step 5: Solve for x
    x = 11,524,236.86/3,714.78
  6. Step 6: Final answer
    x = 3,102.27

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1.5x scale

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.