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Finding the Fourth Proportional to 67,134.93, 92,639.03 and 38,835.33

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Solution

The fourth proportional to 67,134.93, 92,639.03 and 38,835.33 is: 53,588.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,134.93 : 92,639.03 = 38,835.33 : x
  2. Step 2: Convert to fraction form
    67,134.93/92,639.03 = 38,835.33/x
  3. Step 3: Cross multiply
    67,134.93x = 92,639.03 × 38,835.33
  4. Step 4: Simplify right side
    67,134.93x = 3,597,667,106.75
  5. Step 5: Solve for x
    x = 3,597,667,106.75/67,134.93
  6. Step 6: Final answer
    x = 53,588.60

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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.