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Finding the Fourth Proportional to 49,493.79, 68,289.59 and 27,983.99

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Solution

The fourth proportional to 49,493.79, 68,289.59 and 27,983.99 is: 38,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,493.79 : 68,289.59 = 27,983.99 : x
  2. Step 2: Convert to fraction form
    49,493.79/68,289.59 = 27,983.99/x
  3. Step 3: Cross multiply
    49,493.79x = 68,289.59 × 27,983.99
  4. Step 4: Simplify right side
    49,493.79x = 1,911,014,722.30
  5. Step 5: Solve for x
    x = 1,911,014,722.30/49,493.79
  6. Step 6: Final answer
    x = 38,611.20

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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.