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Finding the Fourth Proportional to 65,588.75, 90,512.06 and 37,294.43

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Solution

The fourth proportional to 65,588.75, 90,512.06 and 37,294.43 is: 51,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,588.75 : 90,512.06 = 37,294.43 : x
  2. Step 2: Convert to fraction form
    65,588.75/90,512.06 = 37,294.43/x
  3. Step 3: Cross multiply
    65,588.75x = 90,512.06 × 37,294.43
  4. Step 4: Simplify right side
    65,588.75x = 3,375,595,725.63
  5. Step 5: Solve for x
    x = 3,375,595,725.63/65,588.75
  6. Step 6: Final answer
    x = 51,466.08

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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.