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Finding the Fourth Proportional to 64,376.81, 88,839.06 and 35,696.52

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Solution

The fourth proportional to 64,376.81, 88,839.06 and 35,696.52 is: 49,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.81 : 88,839.06 = 35,696.52 : x
  2. Step 2: Convert to fraction form
    64,376.81/88,839.06 = 35,696.52/x
  3. Step 3: Cross multiply
    64,376.81x = 88,839.06 × 35,696.52
  4. Step 4: Simplify right side
    64,376.81x = 3,171,245,282.07
  5. Step 5: Solve for x
    x = 3,171,245,282.07/64,376.81
  6. Step 6: Final answer
    x = 49,260.68

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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.