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Finding the Fourth Proportional to 67,099, 92,596.62 and 38,806.51

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Solution

The fourth proportional to 67,099, 92,596.62 and 38,806.51 is: 53,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,099 : 92,596.62 = 38,806.51 : x
  2. Step 2: Convert to fraction form
    67,099/92,596.62 = 38,806.51/x
  3. Step 3: Cross multiply
    67,099x = 92,596.62 × 38,806.51
  4. Step 4: Simplify right side
    67,099x = 3,593,351,660.00
  5. Step 5: Solve for x
    x = 3,593,351,660.00/67,099
  6. Step 6: Final answer
    x = 53,552.98

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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.