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Finding the Fourth Proportional to 64,686.44, 96,849.03 and 34,997.78

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Solution

The fourth proportional to 64,686.44, 96,849.03 and 34,997.78 is: 52,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,686.44 : 96,849.03 = 34,997.78 : x
  2. Step 2: Convert to fraction form
    64,686.44/96,849.03 = 34,997.78/x
  3. Step 3: Cross multiply
    64,686.44x = 96,849.03 × 34,997.78
  4. Step 4: Simplify right side
    64,686.44x = 3,389,501,045.15
  5. Step 5: Solve for x
    x = 3,389,501,045.15/64,686.44
  6. Step 6: Final answer
    x = 52,398.94

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1.5x scale

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.