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Finding the Fourth Proportional to 79,583.38, 109,825.62 and 43,284.82

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Solution

The fourth proportional to 79,583.38, 109,825.62 and 43,284.82 is: 59,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,583.38 : 109,825.62 = 43,284.82 : x
  2. Step 2: Convert to fraction form
    79,583.38/109,825.62 = 43,284.82/x
  3. Step 3: Cross multiply
    79,583.38x = 109,825.62 × 43,284.82
  4. Step 4: Simplify right side
    79,583.38x = 4,753,782,193.09
  5. Step 5: Solve for x
    x = 4,753,782,193.09/79,583.38
  6. Step 6: Final answer
    x = 59,733.35

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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.