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Finding the Fourth Proportional to 67,106.88, 92,608.56 and 36,893.52

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Solution

The fourth proportional to 67,106.88, 92,608.56 and 36,893.52 is: 50,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,106.88 : 92,608.56 = 36,893.52 : x
  2. Step 2: Convert to fraction form
    67,106.88/92,608.56 = 36,893.52/x
  3. Step 3: Cross multiply
    67,106.88x = 92,608.56 × 36,893.52
  4. Step 4: Simplify right side
    67,106.88x = 3,416,655,760.53
  5. Step 5: Solve for x
    x = 3,416,655,760.53/67,106.88
  6. Step 6: Final answer
    x = 50,913.64

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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.