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Finding the Fourth Proportional to 69,671.43, 96,147.68 and 37,840.23

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Solution

The fourth proportional to 69,671.43, 96,147.68 and 37,840.23 is: 52,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,671.43 : 96,147.68 = 37,840.23 : x
  2. Step 2: Convert to fraction form
    69,671.43/96,147.68 = 37,840.23/x
  3. Step 3: Cross multiply
    69,671.43x = 96,147.68 × 37,840.23
  4. Step 4: Simplify right side
    69,671.43x = 3,638,250,135.97
  5. Step 5: Solve for x
    x = 3,638,250,135.97/69,671.43
  6. Step 6: Final answer
    x = 52,220.12

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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.