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Finding the Fourth Proportional to 62,768.84, 86,636.07 and 35,926.90

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Solution

The fourth proportional to 62,768.84, 86,636.07 and 35,926.90 is: 49,587.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,768.84 : 86,636.07 = 35,926.90 : x
  2. Step 2: Convert to fraction form
    62,768.84/86,636.07 = 35,926.90/x
  3. Step 3: Cross multiply
    62,768.84x = 86,636.07 × 35,926.90
  4. Step 4: Simplify right side
    62,768.84x = 3,112,565,765.33
  5. Step 5: Solve for x
    x = 3,112,565,765.33/62,768.84
  6. Step 6: Final answer
    x = 49,587.76

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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.