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Finding the Fourth Proportional to 23,807.70, 35,711.55 and 21,183.30

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Solution

The fourth proportional to 23,807.70, 35,711.55 and 21,183.30 is: 31,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,807.70 : 35,711.55 = 21,183.30 : x
  2. Step 2: Convert to fraction form
    23,807.70/35,711.55 = 21,183.30/x
  3. Step 3: Cross multiply
    23,807.70x = 35,711.55 × 21,183.30
  4. Step 4: Simplify right side
    23,807.70x = 756,488,477.12
  5. Step 5: Solve for x
    x = 756,488,477.12/23,807.70
  6. Step 6: Final answer
    x = 31,774.95

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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.