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Finding the Fourth Proportional to 49,694.99, 68,604.48 and 38,338.99

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Solution

The fourth proportional to 49,694.99, 68,604.48 and 38,338.99 is: 52,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,694.99 : 68,604.48 = 38,338.99 : x
  2. Step 2: Convert to fraction form
    49,694.99/68,604.48 = 38,338.99/x
  3. Step 3: Cross multiply
    49,694.99x = 68,604.48 × 38,338.99
  4. Step 4: Simplify right side
    49,694.99x = 2,630,226,301.16
  5. Step 5: Solve for x
    x = 2,630,226,301.16/49,694.99
  6. Step 6: Final answer
    x = 52,927.40

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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.