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Finding the Fourth Proportional to 64,655.84, 89,174.44 and 44,249.99

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Solution

The fourth proportional to 64,655.84, 89,174.44 and 44,249.99 is: 61,030.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,655.84 : 89,174.44 = 44,249.99 : x
  2. Step 2: Convert to fraction form
    64,655.84/89,174.44 = 44,249.99/x
  3. Step 3: Cross multiply
    64,655.84x = 89,174.44 × 44,249.99
  4. Step 4: Simplify right side
    64,655.84x = 3,945,967,687.70
  5. Step 5: Solve for x
    x = 3,945,967,687.70/64,655.84
  6. Step 6: Final answer
    x = 61,030.33

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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.