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Finding the Fourth Proportional to 64,679.50, 97,019.25 and 17,932.38

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Solution

The fourth proportional to 64,679.50, 97,019.25 and 17,932.38 is: 26,898.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,679.50 : 97,019.25 = 17,932.38 : x
  2. Step 2: Convert to fraction form
    64,679.50/97,019.25 = 17,932.38/x
  3. Step 3: Cross multiply
    64,679.50x = 97,019.25 × 17,932.38
  4. Step 4: Simplify right side
    64,679.50x = 1,739,786,058.32
  5. Step 5: Solve for x
    x = 1,739,786,058.32/64,679.50
  6. Step 6: Final answer
    x = 26,898.57

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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.