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Finding the Fourth Proportional to 30,622.44, 42,258.96 and 17,884.44

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Solution

The fourth proportional to 30,622.44, 42,258.96 and 17,884.44 is: 24,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.44 : 42,258.96 = 17,884.44 : x
  2. Step 2: Convert to fraction form
    30,622.44/42,258.96 = 17,884.44/x
  3. Step 3: Cross multiply
    30,622.44x = 42,258.96 × 17,884.44
  4. Step 4: Simplify right side
    30,622.44x = 755,777,834.58
  5. Step 5: Solve for x
    x = 755,777,834.58/30,622.44
  6. Step 6: Final answer
    x = 24,680.52

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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.