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Finding the Fourth Proportional to 43,699.99, 65,500.43 and 38,424.82

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Solution

The fourth proportional to 43,699.99, 65,500.43 and 38,424.82 is: 57,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,699.99 : 65,500.43 = 38,424.82 : x
  2. Step 2: Convert to fraction form
    43,699.99/65,500.43 = 38,424.82/x
  3. Step 3: Cross multiply
    43,699.99x = 65,500.43 × 38,424.82
  4. Step 4: Simplify right side
    43,699.99x = 2,516,842,232.67
  5. Step 5: Solve for x
    x = 2,516,842,232.67/43,699.99
  6. Step 6: Final answer
    x = 57,593.66

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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.