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Finding the Fourth Proportional to 65,175.48, 89,945.52 and 36,880.56

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Solution

The fourth proportional to 65,175.48, 89,945.52 and 36,880.56 is: 50,897.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,175.48 : 89,945.52 = 36,880.56 : x
  2. Step 2: Convert to fraction form
    65,175.48/89,945.52 = 36,880.56/x
  3. Step 3: Cross multiply
    65,175.48x = 89,945.52 × 36,880.56
  4. Step 4: Simplify right side
    65,175.48x = 3,317,241,147.09
  5. Step 5: Solve for x
    x = 3,317,241,147.09/65,175.48
  6. Step 6: Final answer
    x = 50,897.07

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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.