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Finding the Fourth Proportional to 26,922.69, 40,384.04 and 7,200.74

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Solution

The fourth proportional to 26,922.69, 40,384.04 and 7,200.74 is: 10,801.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,922.69 : 40,384.04 = 7,200.74 : x
  2. Step 2: Convert to fraction form
    26,922.69/40,384.04 = 7,200.74/x
  3. Step 3: Cross multiply
    26,922.69x = 40,384.04 × 7,200.74
  4. Step 4: Simplify right side
    26,922.69x = 290,794,734.27
  5. Step 5: Solve for x
    x = 290,794,734.27/26,922.69
  6. Step 6: Final answer
    x = 10,801.10

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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.