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Finding the Fourth Proportional to 51,107.79, 70,468.41 and 34,982.88

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Solution

The fourth proportional to 51,107.79, 70,468.41 and 34,982.88 is: 48,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,107.79 : 70,468.41 = 34,982.88 : x
  2. Step 2: Convert to fraction form
    51,107.79/70,468.41 = 34,982.88/x
  3. Step 3: Cross multiply
    51,107.79x = 70,468.41 × 34,982.88
  4. Step 4: Simplify right side
    51,107.79x = 2,465,187,930.82
  5. Step 5: Solve for x
    x = 2,465,187,930.82/51,107.79
  6. Step 6: Final answer
    x = 48,235.07

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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.