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Finding the Fourth Proportional to 6,612.74, 9,919.70 and 2,397.05

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Solution

The fourth proportional to 6,612.74, 9,919.70 and 2,397.05 is: 3,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.74 : 9,919.70 = 2,397.05 : x
  2. Step 2: Convert to fraction form
    6,612.74/9,919.70 = 2,397.05/x
  3. Step 3: Cross multiply
    6,612.74x = 9,919.70 × 2,397.05
  4. Step 4: Simplify right side
    6,612.74x = 23,778,004.90
  5. Step 5: Solve for x
    x = 23,778,004.90/6,612.74
  6. Step 6: Final answer
    x = 3,595.79

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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.