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Finding the Fourth Proportional to 71,059.77, 98,062.23 and 39,228.42

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Solution

The fourth proportional to 71,059.77, 98,062.23 and 39,228.42 is: 54,135.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,059.77 : 98,062.23 = 39,228.42 : x
  2. Step 2: Convert to fraction form
    71,059.77/98,062.23 = 39,228.42/x
  3. Step 3: Cross multiply
    71,059.77x = 98,062.23 × 39,228.42
  4. Step 4: Simplify right side
    71,059.77x = 3,846,826,344.58
  5. Step 5: Solve for x
    x = 3,846,826,344.58/71,059.77
  6. Step 6: Final answer
    x = 54,135.08

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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.