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Finding the Fourth Proportional to 67,854.96, 93,640.10 and 37,643.09

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Solution

The fourth proportional to 67,854.96, 93,640.10 and 37,643.09 is: 51,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,854.96 : 93,640.10 = 37,643.09 : x
  2. Step 2: Convert to fraction form
    67,854.96/93,640.10 = 37,643.09/x
  3. Step 3: Cross multiply
    67,854.96x = 93,640.10 × 37,643.09
  4. Step 4: Simplify right side
    67,854.96x = 3,524,902,055.49
  5. Step 5: Solve for x
    x = 3,524,902,055.49/67,854.96
  6. Step 6: Final answer
    x = 51,947.60

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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.