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Finding the Fourth Proportional to 67,914.67, 93,712.20 and 37,700.20

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Solution

The fourth proportional to 67,914.67, 93,712.20 and 37,700.20 is: 52,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,914.67 : 93,712.20 = 37,700.20 : x
  2. Step 2: Convert to fraction form
    67,914.67/93,712.20 = 37,700.20/x
  3. Step 3: Cross multiply
    67,914.67x = 93,712.20 × 37,700.20
  4. Step 4: Simplify right side
    67,914.67x = 3,532,968,682.44
  5. Step 5: Solve for x
    x = 3,532,968,682.44/67,914.67
  6. Step 6: Final answer
    x = 52,020.70

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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.