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Finding the Fourth Proportional to 65,003.80, 97,538.10 and 36,945.40

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Solution

The fourth proportional to 65,003.80, 97,538.10 and 36,945.40 is: 55,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,003.80 : 97,538.10 = 36,945.40 : x
  2. Step 2: Convert to fraction form
    65,003.80/97,538.10 = 36,945.40/x
  3. Step 3: Cross multiply
    65,003.80x = 97,538.10 × 36,945.40
  4. Step 4: Simplify right side
    65,003.80x = 3,603,584,119.74
  5. Step 5: Solve for x
    x = 3,603,584,119.74/65,003.80
  6. Step 6: Final answer
    x = 55,436.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.