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Finding the Fourth Proportional to 67,840.83, 93,620.61 and 37,628.97

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Solution

The fourth proportional to 67,840.83, 93,620.61 and 37,628.97 is: 51,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,840.83 : 93,620.61 = 37,628.97 : x
  2. Step 2: Convert to fraction form
    67,840.83/93,620.61 = 37,628.97/x
  3. Step 3: Cross multiply
    67,840.83x = 93,620.61 × 37,628.97
  4. Step 4: Simplify right side
    67,840.83x = 3,522,847,125.07
  5. Step 5: Solve for x
    x = 3,522,847,125.07/67,840.83
  6. Step 6: Final answer
    x = 51,928.13

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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.