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Finding the Fourth Proportional to 6,710.20, 10,066.20 and 2,813.68

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Solution

The fourth proportional to 6,710.20, 10,066.20 and 2,813.68 is: 4,220.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,710.20 : 10,066.20 = 2,813.68 : x
  2. Step 2: Convert to fraction form
    6,710.20/10,066.20 = 2,813.68/x
  3. Step 3: Cross multiply
    6,710.20x = 10,066.20 × 2,813.68
  4. Step 4: Simplify right side
    6,710.20x = 28,323,065.62
  5. Step 5: Solve for x
    x = 28,323,065.62/6,710.20
  6. Step 6: Final answer
    x = 4,220.90

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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.