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Finding the Fourth Proportional to 22,798.78, 34,201.60 and 8,005.10

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Solution

The fourth proportional to 22,798.78, 34,201.60 and 8,005.10 is: 12,008.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,798.78 : 34,201.60 = 8,005.10 : x
  2. Step 2: Convert to fraction form
    22,798.78/34,201.60 = 8,005.10/x
  3. Step 3: Cross multiply
    22,798.78x = 34,201.60 × 8,005.10
  4. Step 4: Simplify right side
    22,798.78x = 273,787,228.16
  5. Step 5: Solve for x
    x = 273,787,228.16/22,798.78
  6. Step 6: Final answer
    x = 12,008.85

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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.