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Finding the Fourth Proportional to 5,285.01, 7,924.75 and 2,819.16

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Solution

The fourth proportional to 5,285.01, 7,924.75 and 2,819.16 is: 4,227.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.01 : 7,924.75 = 2,819.16 : x
  2. Step 2: Convert to fraction form
    5,285.01/7,924.75 = 2,819.16/x
  3. Step 3: Cross multiply
    5,285.01x = 7,924.75 × 2,819.16
  4. Step 4: Simplify right side
    5,285.01x = 22,341,138.21
  5. Step 5: Solve for x
    x = 22,341,138.21/5,285.01
  6. Step 6: Final answer
    x = 4,227.27

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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.