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Finding the Fourth Proportional to 65,171.17, 89,938.11 and 36,876.25

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Solution

The fourth proportional to 65,171.17, 89,938.11 and 36,876.25 is: 50,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,171.17 : 89,938.11 = 36,876.25 : x
  2. Step 2: Convert to fraction form
    65,171.17/89,938.11 = 36,876.25/x
  3. Step 3: Cross multiply
    65,171.17x = 89,938.11 × 36,876.25
  4. Step 4: Simplify right side
    65,171.17x = 3,316,580,228.89
  5. Step 5: Solve for x
    x = 3,316,580,228.89/65,171.17
  6. Step 6: Final answer
    x = 50,890.30

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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.