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Finding the Fourth Proportional to 79,782.27, 110,100.29 and 43,973.65

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Solution

The fourth proportional to 79,782.27, 110,100.29 and 43,973.65 is: 60,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,782.27 : 110,100.29 = 43,973.65 : x
  2. Step 2: Convert to fraction form
    79,782.27/110,100.29 = 43,973.65/x
  3. Step 3: Cross multiply
    79,782.27x = 110,100.29 × 43,973.65
  4. Step 4: Simplify right side
    79,782.27x = 4,841,511,617.36
  5. Step 5: Solve for x
    x = 4,841,511,617.36/79,782.27
  6. Step 6: Final answer
    x = 60,684.05

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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.