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Finding the Fourth Proportional to 71,023.37, 98,017.78 and 40,819.23

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Solution

The fourth proportional to 71,023.37, 98,017.78 and 40,819.23 is: 56,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,023.37 : 98,017.78 = 40,819.23 : x
  2. Step 2: Convert to fraction form
    71,023.37/98,017.78 = 40,819.23/x
  3. Step 3: Cross multiply
    71,023.37x = 98,017.78 × 40,819.23
  4. Step 4: Simplify right side
    71,023.37x = 4,001,009,611.72
  5. Step 5: Solve for x
    x = 4,001,009,611.72/71,023.37
  6. Step 6: Final answer
    x = 56,333.71

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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.