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Finding the Fourth Proportional to 23,498.91, 35,179.11 and 20,582.91

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Solution

The fourth proportional to 23,498.91, 35,179.11 and 20,582.91 is: 30,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,498.91 : 35,179.11 = 20,582.91 : x
  2. Step 2: Convert to fraction form
    23,498.91/35,179.11 = 20,582.91/x
  3. Step 3: Cross multiply
    23,498.91x = 35,179.11 × 20,582.91
  4. Step 4: Simplify right side
    23,498.91x = 724,088,455.01
  5. Step 5: Solve for x
    x = 724,088,455.01/23,498.91
  6. Step 6: Final answer
    x = 30,813.70

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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.