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Finding the Fourth Proportional to 62,611.03, 86,394.81 and 38,738.17

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Solution

The fourth proportional to 62,611.03, 86,394.81 and 38,738.17 is: 53,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,611.03 : 86,394.81 = 38,738.17 : x
  2. Step 2: Convert to fraction form
    62,611.03/86,394.81 = 38,738.17/x
  3. Step 3: Cross multiply
    62,611.03x = 86,394.81 × 38,738.17
  4. Step 4: Simplify right side
    62,611.03x = 3,346,776,836.90
  5. Step 5: Solve for x
    x = 3,346,776,836.90/62,611.03
  6. Step 6: Final answer
    x = 53,453.47

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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.