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Finding the Fourth Proportional to 67,063.75, 92,550.41 and 38,388.67

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Solution

The fourth proportional to 67,063.75, 92,550.41 and 38,388.67 is: 52,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,063.75 : 92,550.41 = 38,388.67 : x
  2. Step 2: Convert to fraction form
    67,063.75/92,550.41 = 38,388.67/x
  3. Step 3: Cross multiply
    67,063.75x = 92,550.41 × 38,388.67
  4. Step 4: Simplify right side
    67,063.75x = 3,552,886,955.91
  5. Step 5: Solve for x
    x = 3,552,886,955.91/67,063.75
  6. Step 6: Final answer
    x = 52,977.76

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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.