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Finding the Fourth Proportional to 23,980.80, 35,730.36 and 22,639.44

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Solution

The fourth proportional to 23,980.80, 35,730.36 and 22,639.44 is: 33,731.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,980.80 : 35,730.36 = 22,639.44 : x
  2. Step 2: Convert to fraction form
    23,980.80/35,730.36 = 22,639.44/x
  3. Step 3: Cross multiply
    23,980.80x = 35,730.36 × 22,639.44
  4. Step 4: Simplify right side
    23,980.80x = 808,915,341.40
  5. Step 5: Solve for x
    x = 808,915,341.40/23,980.80
  6. Step 6: Final answer
    x = 33,731.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.