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Finding the Fourth Proportional to 67,122.95, 92,628.84 and 36,908.03

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Solution

The fourth proportional to 67,122.95, 92,628.84 and 36,908.03 is: 50,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.95 : 92,628.84 = 36,908.03 : x
  2. Step 2: Convert to fraction form
    67,122.95/92,628.84 = 36,908.03/x
  3. Step 3: Cross multiply
    67,122.95x = 92,628.84 × 36,908.03
  4. Step 4: Simplify right side
    67,122.95x = 3,418,748,005.59
  5. Step 5: Solve for x
    x = 3,418,748,005.59/67,122.95
  6. Step 6: Final answer
    x = 50,932.62

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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.