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Finding the Fourth Proportional to 39,936, 59,870.16 and 26,748

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Solution

The fourth proportional to 39,936, 59,870.16 and 26,748 is: 40,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936 : 59,870.16 = 26,748 : x
  2. Step 2: Convert to fraction form
    39,936/59,870.16 = 26,748/x
  3. Step 3: Cross multiply
    39,936x = 59,870.16 × 26,748
  4. Step 4: Simplify right side
    39,936x = 1,601,407,039.68
  5. Step 5: Solve for x
    x = 1,601,407,039.68/39,936
  6. Step 6: Final answer
    x = 40,099.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.