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Finding the Fourth Proportional to 4,979.34, 7,469.01 and 1,516.62

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Solution

The fourth proportional to 4,979.34, 7,469.01 and 1,516.62 is: 2,274.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.34 : 7,469.01 = 1,516.62 : x
  2. Step 2: Convert to fraction form
    4,979.34/7,469.01 = 1,516.62/x
  3. Step 3: Cross multiply
    4,979.34x = 7,469.01 × 1,516.62
  4. Step 4: Simplify right side
    4,979.34x = 11,327,649.95
  5. Step 5: Solve for x
    x = 11,327,649.95/4,979.34
  6. Step 6: Final answer
    x = 2,274.93

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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.