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Finding the Fourth Proportional to 59,078.44, 81,507.66 and 37,869.40

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Solution

The fourth proportional to 59,078.44, 81,507.66 and 37,869.40 is: 52,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,078.44 : 81,507.66 = 37,869.40 : x
  2. Step 2: Convert to fraction form
    59,078.44/81,507.66 = 37,869.40/x
  3. Step 3: Cross multiply
    59,078.44x = 81,507.66 × 37,869.40
  4. Step 4: Simplify right side
    59,078.44x = 3,086,646,179.60
  5. Step 5: Solve for x
    x = 3,086,646,179.60/59,078.44
  6. Step 6: Final answer
    x = 52,246.58

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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.