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Finding the Fourth Proportional to 43,062, 64,593.27 and 11,897.52

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Solution

The fourth proportional to 43,062, 64,593.27 and 11,897.52 is: 17,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,062 : 64,593.27 = 11,897.52 : x
  2. Step 2: Convert to fraction form
    43,062/64,593.27 = 11,897.52/x
  3. Step 3: Cross multiply
    43,062x = 64,593.27 × 11,897.52
  4. Step 4: Simplify right side
    43,062x = 768,499,721.69
  5. Step 5: Solve for x
    x = 768,499,721.69/43,062
  6. Step 6: Final answer
    x = 17,846.35

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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.