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Finding the Fourth Proportional to 8,049.70, 11,281.10 and 8,049.70

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Solution

The fourth proportional to 8,049.70, 11,281.10 and 8,049.70 is: 11,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.70 : 11,281.10 = 8,049.70 : x
  2. Step 2: Convert to fraction form
    8,049.70/11,281.10 = 8,049.70/x
  3. Step 3: Cross multiply
    8,049.70x = 11,281.10 × 8,049.70
  4. Step 4: Simplify right side
    8,049.70x = 90,809,470.67
  5. Step 5: Solve for x
    x = 90,809,470.67/8,049.70
  6. Step 6: Final answer
    x = 11,281.10

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Half scale
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Double scale
Find fourth proportional to 8,050.70, 11,282.50 and 8,050.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.