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Finding the Fourth Proportional to 79,717.57, 110,008.80 and 43,910.91

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Solution

The fourth proportional to 79,717.57, 110,008.80 and 43,910.91 is: 60,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,717.57 : 110,008.80 = 43,910.91 : x
  2. Step 2: Convert to fraction form
    79,717.57/110,008.80 = 43,910.91/x
  3. Step 3: Cross multiply
    79,717.57x = 110,008.80 × 43,910.91
  4. Step 4: Simplify right side
    79,717.57x = 4,830,586,516.01
  5. Step 5: Solve for x
    x = 4,830,586,516.01/79,717.57
  6. Step 6: Final answer
    x = 60,596.26

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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.