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Finding the Fourth Proportional to 67,853.22, 93,638.01 and 37,640.51

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Solution

The fourth proportional to 67,853.22, 93,638.01 and 37,640.51 is: 51,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,853.22 : 93,638.01 = 37,640.51 : x
  2. Step 2: Convert to fraction form
    67,853.22/93,638.01 = 37,640.51/x
  3. Step 3: Cross multiply
    67,853.22x = 93,638.01 × 37,640.51
  4. Step 4: Simplify right side
    67,853.22x = 3,524,581,983.60
  5. Step 5: Solve for x
    x = 3,524,581,983.60/67,853.22
  6. Step 6: Final answer
    x = 51,944.21

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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.