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Finding the Fourth Proportional to 59,579.60, 82,164.98 and 40,487.99

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Solution

The fourth proportional to 59,579.60, 82,164.98 and 40,487.99 is: 55,836.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,579.60 : 82,164.98 = 40,487.99 : x
  2. Step 2: Convert to fraction form
    59,579.60/82,164.98 = 40,487.99/x
  3. Step 3: Cross multiply
    59,579.60x = 82,164.98 × 40,487.99
  4. Step 4: Simplify right side
    59,579.60x = 3,326,694,275.33
  5. Step 5: Solve for x
    x = 3,326,694,275.33/59,579.60
  6. Step 6: Final answer
    x = 55,836.13

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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.