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Finding the Fourth Proportional to 4,560.86, 6,839.66 and 2,220.86

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Solution

The fourth proportional to 4,560.86, 6,839.66 and 2,220.86 is: 3,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,560.86 : 6,839.66 = 2,220.86 : x
  2. Step 2: Convert to fraction form
    4,560.86/6,839.66 = 2,220.86/x
  3. Step 3: Cross multiply
    4,560.86x = 6,839.66 × 2,220.86
  4. Step 4: Simplify right side
    4,560.86x = 15,189,927.31
  5. Step 5: Solve for x
    x = 15,189,927.31/4,560.86
  6. Step 6: Final answer
    x = 3,330.50

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Half scale
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Double scale
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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.