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Finding the Fourth Proportional to 4,868.74, 6,714.84 and 3,275.56

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Solution

The fourth proportional to 4,868.74, 6,714.84 and 3,275.56 is: 4,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.74 : 6,714.84 = 3,275.56 : x
  2. Step 2: Convert to fraction form
    4,868.74/6,714.84 = 3,275.56/x
  3. Step 3: Cross multiply
    4,868.74x = 6,714.84 × 3,275.56
  4. Step 4: Simplify right side
    4,868.74x = 21,994,861.31
  5. Step 5: Solve for x
    x = 21,994,861.31/4,868.74
  6. Step 6: Final answer
    x = 4,517.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.