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Finding the Fourth Proportional to 6,710.42, 10,065.63 and 2,819.18

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Solution

The fourth proportional to 6,710.42, 10,065.63 and 2,819.18 is: 4,228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710.42 : 10,065.63 = 2,819.18 : x
  2. Step 2: Convert to fraction form
    6,710.42/10,065.63 = 2,819.18/x
  3. Step 3: Cross multiply
    6,710.42x = 10,065.63 × 2,819.18
  4. Step 4: Simplify right side
    6,710.42x = 28,376,822.78
  5. Step 5: Solve for x
    x = 28,376,822.78/6,710.42
  6. Step 6: Final answer
    x = 4,228.77

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Similar ratio
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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.