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Finding the Fourth Proportional to 59,378.39, 81,939.11 and 32,515.71

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Solution

The fourth proportional to 59,378.39, 81,939.11 and 32,515.71 is: 44,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,378.39 : 81,939.11 = 32,515.71 : x
  2. Step 2: Convert to fraction form
    59,378.39/81,939.11 = 32,515.71/x
  3. Step 3: Cross multiply
    59,378.39x = 81,939.11 × 32,515.71
  4. Step 4: Simplify right side
    59,378.39x = 2,664,308,175.84
  5. Step 5: Solve for x
    x = 2,664,308,175.84/59,378.39
  6. Step 6: Final answer
    x = 44,870.00

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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.