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Finding the Fourth Proportional to 65,372.40, 97,900.60 and 37,207.12

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Solution

The fourth proportional to 65,372.40, 97,900.60 and 37,207.12 is: 55,720.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,372.40 : 97,900.60 = 37,207.12 : x
  2. Step 2: Convert to fraction form
    65,372.40/97,900.60 = 37,207.12/x
  3. Step 3: Cross multiply
    65,372.40x = 97,900.60 × 37,207.12
  4. Step 4: Simplify right side
    65,372.40x = 3,642,599,372.27
  5. Step 5: Solve for x
    x = 3,642,599,372.27/65,372.40
  6. Step 6: Final answer
    x = 55,720.75

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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.