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Finding the Fourth Proportional to 79,883.91, 110,252.75 and 47,622.47

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Solution

The fourth proportional to 79,883.91, 110,252.75 and 47,622.47 is: 65,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,883.91 : 110,252.75 = 47,622.47 : x
  2. Step 2: Convert to fraction form
    79,883.91/110,252.75 = 47,622.47/x
  3. Step 3: Cross multiply
    79,883.91x = 110,252.75 × 47,622.47
  4. Step 4: Simplify right side
    79,883.91x = 5,250,507,489.92
  5. Step 5: Solve for x
    x = 5,250,507,489.92/79,883.91
  6. Step 6: Final answer
    x = 65,726.72

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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.