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Finding the Fourth Proportional to 64,999.04, 97,629.76 and 38,755.20

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Solution

The fourth proportional to 64,999.04, 97,629.76 and 38,755.20 is: 58,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,999.04 : 97,629.76 = 38,755.20 : x
  2. Step 2: Convert to fraction form
    64,999.04/97,629.76 = 38,755.20/x
  3. Step 3: Cross multiply
    64,999.04x = 97,629.76 × 38,755.20
  4. Step 4: Simplify right side
    64,999.04x = 3,783,660,874.75
  5. Step 5: Solve for x
    x = 3,783,660,874.75/64,999.04
  6. Step 6: Final answer
    x = 58,211.03

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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.