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Finding the Fourth Proportional to 59,293.40, 81,793 and 36,637.40

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Solution

The fourth proportional to 59,293.40, 81,793 and 36,637.40 is: 50,539.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,293.40 : 81,793 = 36,637.40 : x
  2. Step 2: Convert to fraction form
    59,293.40/81,793 = 36,637.40/x
  3. Step 3: Cross multiply
    59,293.40x = 81,793 × 36,637.40
  4. Step 4: Simplify right side
    59,293.40x = 2,996,682,858.20
  5. Step 5: Solve for x
    x = 2,996,682,858.20/59,293.40
  6. Step 6: Final answer
    x = 50,539.91

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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.