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Finding the Fourth Proportional to 49,494.79, 68,290.96 and 27,984.99

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Solution

The fourth proportional to 49,494.79, 68,290.96 and 27,984.99 is: 38,612.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,494.79 : 68,290.96 = 27,984.99 : x
  2. Step 2: Convert to fraction form
    49,494.79/68,290.96 = 27,984.99/x
  3. Step 3: Cross multiply
    49,494.79x = 68,290.96 × 27,984.99
  4. Step 4: Simplify right side
    49,494.79x = 1,911,121,832.69
  5. Step 5: Solve for x
    x = 1,911,121,832.69/49,494.79
  6. Step 6: Final answer
    x = 38,612.59

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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.