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Finding the Fourth Proportional to 22,585.16, 33,879.63 and 7,794.20

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Solution

The fourth proportional to 22,585.16, 33,879.63 and 7,794.20 is: 11,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.16 : 33,879.63 = 7,794.20 : x
  2. Step 2: Convert to fraction form
    22,585.16/33,879.63 = 7,794.20/x
  3. Step 3: Cross multiply
    22,585.16x = 33,879.63 × 7,794.20
  4. Step 4: Simplify right side
    22,585.16x = 264,064,612.15
  5. Step 5: Solve for x
    x = 264,064,612.15/22,585.16
  6. Step 6: Final answer
    x = 11,691.95

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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.