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Finding the Fourth Proportional to 64,944.99, 89,637.44 and 38,101.59

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Solution

The fourth proportional to 64,944.99, 89,637.44 and 38,101.59 is: 52,588.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,944.99 : 89,637.44 = 38,101.59 : x
  2. Step 2: Convert to fraction form
    64,944.99/89,637.44 = 38,101.59/x
  3. Step 3: Cross multiply
    64,944.99x = 89,637.44 × 38,101.59
  4. Step 4: Simplify right side
    64,944.99x = 3,415,328,797.02
  5. Step 5: Solve for x
    x = 3,415,328,797.02/64,944.99
  6. Step 6: Final answer
    x = 52,588.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.