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Finding the Fourth Proportional to 67,115.60, 92,609.16 and 38,823.92

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Solution

The fourth proportional to 67,115.60, 92,609.16 and 38,823.92 is: 53,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,115.60 : 92,609.16 = 38,823.92 : x
  2. Step 2: Convert to fraction form
    67,115.60/92,609.16 = 38,823.92/x
  3. Step 3: Cross multiply
    67,115.60x = 92,609.16 × 38,823.92
  4. Step 4: Simplify right side
    67,115.60x = 3,595,450,619.11
  5. Step 5: Solve for x
    x = 3,595,450,619.11/67,115.60
  6. Step 6: Final answer
    x = 53,571.01

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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.