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Finding the Fourth Proportional to 6,600.47, 9,902.24 and 2,902.99

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Solution

The fourth proportional to 6,600.47, 9,902.24 and 2,902.99 is: 4,355.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,600.47 : 9,902.24 = 2,902.99 : x
  2. Step 2: Convert to fraction form
    6,600.47/9,902.24 = 2,902.99/x
  3. Step 3: Cross multiply
    6,600.47x = 9,902.24 × 2,902.99
  4. Step 4: Simplify right side
    6,600.47x = 28,746,067.65
  5. Step 5: Solve for x
    x = 28,746,067.65/6,600.47
  6. Step 6: Final answer
    x = 4,355.16

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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.