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Finding the Fourth Proportional to 52,713.99, 79,078.28 and 17,663.67

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Solution

The fourth proportional to 52,713.99, 79,078.28 and 17,663.67 is: 26,497.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,713.99 : 79,078.28 = 17,663.67 : x
  2. Step 2: Convert to fraction form
    52,713.99/79,078.28 = 17,663.67/x
  3. Step 3: Cross multiply
    52,713.99x = 79,078.28 × 17,663.67
  4. Step 4: Simplify right side
    52,713.99x = 1,396,812,553.77
  5. Step 5: Solve for x
    x = 1,396,812,553.77/52,713.99
  6. Step 6: Final answer
    x = 26,497.95

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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.