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Finding the Fourth Proportional to 62,696.67, 86,521.39 and 35,839.76

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Solution

The fourth proportional to 62,696.67, 86,521.39 and 35,839.76 is: 49,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,696.67 : 86,521.39 = 35,839.76 : x
  2. Step 2: Convert to fraction form
    62,696.67/86,521.39 = 35,839.76/x
  3. Step 3: Cross multiply
    62,696.67x = 86,521.39 × 35,839.76
  4. Step 4: Simplify right side
    62,696.67x = 3,100,905,852.47
  5. Step 5: Solve for x
    x = 3,100,905,852.47/62,696.67
  6. Step 6: Final answer
    x = 49,458.86

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1.5x scale

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.