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Finding the Fourth Proportional to 40,482.97, 55,866.32 and 22,333.20

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Solution

The fourth proportional to 40,482.97, 55,866.32 and 22,333.20 is: 30,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,482.97 : 55,866.32 = 22,333.20 : x
  2. Step 2: Convert to fraction form
    40,482.97/55,866.32 = 22,333.20/x
  3. Step 3: Cross multiply
    40,482.97x = 55,866.32 × 22,333.20
  4. Step 4: Simplify right side
    40,482.97x = 1,247,673,753.66
  5. Step 5: Solve for x
    x = 1,247,673,753.66/40,482.97
  6. Step 6: Final answer
    x = 30,819.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.