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Finding the Fourth Proportional to 64,755.60, 97,176.60 and 36,675.60

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Solution

The fourth proportional to 64,755.60, 97,176.60 and 36,675.60 is: 55,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.60 : 97,176.60 = 36,675.60 : x
  2. Step 2: Convert to fraction form
    64,755.60/97,176.60 = 36,675.60/x
  3. Step 3: Cross multiply
    64,755.60x = 97,176.60 × 36,675.60
  4. Step 4: Simplify right side
    64,755.60x = 3,564,010,110.96
  5. Step 5: Solve for x
    x = 3,564,010,110.96/64,755.60
  6. Step 6: Final answer
    x = 55,037.87

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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.