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Finding the Fourth Proportional to 4,948.62, 7,423.08 and 2,173.86

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Solution

The fourth proportional to 4,948.62, 7,423.08 and 2,173.86 is: 3,260.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.62 : 7,423.08 = 2,173.86 : x
  2. Step 2: Convert to fraction form
    4,948.62/7,423.08 = 2,173.86/x
  3. Step 3: Cross multiply
    4,948.62x = 7,423.08 × 2,173.86
  4. Step 4: Simplify right side
    4,948.62x = 16,136,736.69
  5. Step 5: Solve for x
    x = 16,136,736.69/4,948.62
  6. Step 6: Final answer
    x = 3,260.86

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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.