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Finding the Fourth Proportional to 70,801.41, 106,202.39 and 28,682.29

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Solution

The fourth proportional to 70,801.41, 106,202.39 and 28,682.29 is: 43,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,801.41 : 106,202.39 = 28,682.29 : x
  2. Step 2: Convert to fraction form
    70,801.41/106,202.39 = 28,682.29/x
  3. Step 3: Cross multiply
    70,801.41x = 106,202.39 × 28,682.29
  4. Step 4: Simplify right side
    70,801.41x = 3,046,127,301.96
  5. Step 5: Solve for x
    x = 3,046,127,301.96/70,801.41
  6. Step 6: Final answer
    x = 43,023.54

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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.