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Finding the Fourth Proportional to 4,995.91, 7,482.21 and 3,948.89

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Solution

The fourth proportional to 4,995.91, 7,482.21 and 3,948.89 is: 5,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.91 : 7,482.21 = 3,948.89 : x
  2. Step 2: Convert to fraction form
    4,995.91/7,482.21 = 3,948.89/x
  3. Step 3: Cross multiply
    4,995.91x = 7,482.21 × 3,948.89
  4. Step 4: Simplify right side
    4,995.91x = 29,546,372.03
  5. Step 5: Solve for x
    x = 29,546,372.03/4,995.91
  6. Step 6: Final answer
    x = 5,914.11

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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.