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Finding the Fourth Proportional to 24,791.76, 37,358.28 and 20,505.60

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Solution

The fourth proportional to 24,791.76, 37,358.28 and 20,505.60 is: 30,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,791.76 : 37,358.28 = 20,505.60 : x
  2. Step 2: Convert to fraction form
    24,791.76/37,358.28 = 20,505.60/x
  3. Step 3: Cross multiply
    24,791.76x = 37,358.28 × 20,505.60
  4. Step 4: Simplify right side
    24,791.76x = 766,053,946.37
  5. Step 5: Solve for x
    x = 766,053,946.37/24,791.76
  6. Step 6: Final answer
    x = 30,899.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.