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Finding the Fourth Proportional to 69,893.40, 96,454 and 38,062.27

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Solution

The fourth proportional to 69,893.40, 96,454 and 38,062.27 is: 52,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,893.40 : 96,454 = 38,062.27 : x
  2. Step 2: Convert to fraction form
    69,893.40/96,454 = 38,062.27/x
  3. Step 3: Cross multiply
    69,893.40x = 96,454 × 38,062.27
  4. Step 4: Simplify right side
    69,893.40x = 3,671,258,190.58
  5. Step 5: Solve for x
    x = 3,671,258,190.58/69,893.40
  6. Step 6: Final answer
    x = 52,526.54

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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.