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Finding the Fourth Proportional to 25,173.99, 37,763.69 and 8,545.91

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Solution

The fourth proportional to 25,173.99, 37,763.69 and 8,545.91 is: 12,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,173.99 : 37,763.69 = 8,545.91 : x
  2. Step 2: Convert to fraction form
    25,173.99/37,763.69 = 8,545.91/x
  3. Step 3: Cross multiply
    25,173.99x = 37,763.69 × 8,545.91
  4. Step 4: Simplify right side
    25,173.99x = 322,724,864.46
  5. Step 5: Solve for x
    x = 322,724,864.46/25,173.99
  6. Step 6: Final answer
    x = 12,819.77

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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.