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Finding the Fourth Proportional to 59,481.72, 82,078.82 and 34,339.32

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Solution

The fourth proportional to 59,481.72, 82,078.82 and 34,339.32 is: 47,384.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,481.72 : 82,078.82 = 34,339.32 : x
  2. Step 2: Convert to fraction form
    59,481.72/82,078.82 = 34,339.32/x
  3. Step 3: Cross multiply
    59,481.72x = 82,078.82 × 34,339.32
  4. Step 4: Simplify right side
    59,481.72x = 2,818,530,865.20
  5. Step 5: Solve for x
    x = 2,818,530,865.20/59,481.72
  6. Step 6: Final answer
    x = 47,384.82

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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.