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Finding the Fourth Proportional to 67,908.40, 93,713.10 and 37,692.68

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Solution

The fourth proportional to 67,908.40, 93,713.10 and 37,692.68 is: 52,015.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,908.40 : 93,713.10 = 37,692.68 : x
  2. Step 2: Convert to fraction form
    67,908.40/93,713.10 = 37,692.68/x
  3. Step 3: Cross multiply
    67,908.40x = 93,713.10 × 37,692.68
  4. Step 4: Simplify right side
    67,908.40x = 3,532,297,890.11
  5. Step 5: Solve for x
    x = 3,532,297,890.11/67,908.40
  6. Step 6: Final answer
    x = 52,015.63

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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.