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Finding the Fourth Proportional to 64,690.72, 97,003.26 and 29,600.30

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Solution

The fourth proportional to 64,690.72, 97,003.26 and 29,600.30 is: 44,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,690.72 : 97,003.26 = 29,600.30 : x
  2. Step 2: Convert to fraction form
    64,690.72/97,003.26 = 29,600.30/x
  3. Step 3: Cross multiply
    64,690.72x = 97,003.26 × 29,600.30
  4. Step 4: Simplify right side
    64,690.72x = 2,871,325,839.49
  5. Step 5: Solve for x
    x = 2,871,325,839.49/64,690.72
  6. Step 6: Final answer
    x = 44,385.44

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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.