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Finding the Fourth Proportional to 64,690.78, 97,003.35 and 29,600.37

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Solution

The fourth proportional to 64,690.78, 97,003.35 and 29,600.37 is: 44,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,690.78 : 97,003.35 = 29,600.37 : x
  2. Step 2: Convert to fraction form
    64,690.78/97,003.35 = 29,600.37/x
  3. Step 3: Cross multiply
    64,690.78x = 97,003.35 × 29,600.37
  4. Step 4: Simplify right side
    64,690.78x = 2,871,335,051.24
  5. Step 5: Solve for x
    x = 2,871,335,051.24/64,690.78
  6. Step 6: Final answer
    x = 44,385.54

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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.