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Finding the Fourth Proportional to 83,396.33, 115,087.01 and 47,597.87

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Solution

The fourth proportional to 83,396.33, 115,087.01 and 47,597.87 is: 65,685.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,396.33 : 115,087.01 = 47,597.87 : x
  2. Step 2: Convert to fraction form
    83,396.33/115,087.01 = 47,597.87/x
  3. Step 3: Cross multiply
    83,396.33x = 115,087.01 × 47,597.87
  4. Step 4: Simplify right side
    83,396.33x = 5,477,896,540.67
  5. Step 5: Solve for x
    x = 5,477,896,540.67/83,396.33
  6. Step 6: Final answer
    x = 65,685.10

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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.