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Finding the Fourth Proportional to 67,260.59, 92,811.49 and 38,578.77

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Solution

The fourth proportional to 67,260.59, 92,811.49 and 38,578.77 is: 53,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,260.59 : 92,811.49 = 38,578.77 : x
  2. Step 2: Convert to fraction form
    67,260.59/92,811.49 = 38,578.77/x
  3. Step 3: Cross multiply
    67,260.59x = 92,811.49 × 38,578.77
  4. Step 4: Simplify right side
    67,260.59x = 3,580,553,126.07
  5. Step 5: Solve for x
    x = 3,580,553,126.07/67,260.59
  6. Step 6: Final answer
    x = 53,234.04

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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.