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Finding the Fourth Proportional to 79,283.05, 109,410.54 and 43,473.66

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Solution

The fourth proportional to 79,283.05, 109,410.54 and 43,473.66 is: 59,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,283.05 : 109,410.54 = 43,473.66 : x
  2. Step 2: Convert to fraction form
    79,283.05/109,410.54 = 43,473.66/x
  3. Step 3: Cross multiply
    79,283.05x = 109,410.54 × 43,473.66
  4. Step 4: Simplify right side
    79,283.05x = 4,756,476,616.38
  5. Step 5: Solve for x
    x = 4,756,476,616.38/79,283.05
  6. Step 6: Final answer
    x = 59,993.61

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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.