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Finding the Fourth Proportional to 59,311.71, 81,842.10 and 35,433.33

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Solution

The fourth proportional to 59,311.71, 81,842.10 and 35,433.33 is: 48,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,311.71 : 81,842.10 = 35,433.33 : x
  2. Step 2: Convert to fraction form
    59,311.71/81,842.10 = 35,433.33/x
  3. Step 3: Cross multiply
    59,311.71x = 81,842.10 × 35,433.33
  4. Step 4: Simplify right side
    59,311.71x = 2,899,938,137.19
  5. Step 5: Solve for x
    x = 2,899,938,137.19/59,311.71
  6. Step 6: Final answer
    x = 48,893.18

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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.