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Finding the Fourth Proportional to 67,208.54, 92,748.12 and 36,996.90

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Solution

The fourth proportional to 67,208.54, 92,748.12 and 36,996.90 is: 51,055.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,208.54 : 92,748.12 = 36,996.90 : x
  2. Step 2: Convert to fraction form
    67,208.54/92,748.12 = 36,996.90/x
  3. Step 3: Cross multiply
    67,208.54x = 92,748.12 × 36,996.90
  4. Step 4: Simplify right side
    67,208.54x = 3,431,392,920.83
  5. Step 5: Solve for x
    x = 3,431,392,920.83/67,208.54
  6. Step 6: Final answer
    x = 51,055.91

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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.