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Finding the Fourth Proportional to 24,005.30, 35,922.90 and 20,919.20

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Solution

The fourth proportional to 24,005.30, 35,922.90 and 20,919.20 is: 31,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,005.30 : 35,922.90 = 20,919.20 : x
  2. Step 2: Convert to fraction form
    24,005.30/35,922.90 = 20,919.20/x
  3. Step 3: Cross multiply
    24,005.30x = 35,922.90 × 20,919.20
  4. Step 4: Simplify right side
    24,005.30x = 751,478,329.68
  5. Step 5: Solve for x
    x = 751,478,329.68/24,005.30
  6. Step 6: Final answer
    x = 31,304.68

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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.