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Finding the Fourth Proportional to 62,696.45, 86,521.11 and 35,839.55

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Solution

The fourth proportional to 62,696.45, 86,521.11 and 35,839.55 is: 49,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,696.45 : 86,521.11 = 35,839.55 : x
  2. Step 2: Convert to fraction form
    62,696.45/86,521.11 = 35,839.55/x
  3. Step 3: Cross multiply
    62,696.45x = 86,521.11 × 35,839.55
  4. Step 4: Simplify right side
    62,696.45x = 3,100,877,036.10
  5. Step 5: Solve for x
    x = 3,100,877,036.10/62,696.45
  6. Step 6: Final answer
    x = 49,458.58

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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.