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Finding the Fourth Proportional to 43,062.54, 64,593.84 and 11,897.82

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Solution

The fourth proportional to 43,062.54, 64,593.84 and 11,897.82 is: 17,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,062.54 : 64,593.84 = 11,897.82 : x
  2. Step 2: Convert to fraction form
    43,062.54/64,593.84 = 11,897.82/x
  3. Step 3: Cross multiply
    43,062.54x = 64,593.84 × 11,897.82
  4. Step 4: Simplify right side
    43,062.54x = 768,525,881.43
  5. Step 5: Solve for x
    x = 768,525,881.43/43,062.54
  6. Step 6: Final answer
    x = 17,846.74

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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.