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Finding the Fourth Proportional to 36,545.99, 50,433.47 and 19,778.99

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Solution

The fourth proportional to 36,545.99, 50,433.47 and 19,778.99 is: 27,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,545.99 : 50,433.47 = 19,778.99 : x
  2. Step 2: Convert to fraction form
    36,545.99/50,433.47 = 19,778.99/x
  3. Step 3: Cross multiply
    36,545.99x = 50,433.47 × 19,778.99
  4. Step 4: Simplify right side
    36,545.99x = 997,523,098.80
  5. Step 5: Solve for x
    x = 997,523,098.80/36,545.99
  6. Step 6: Final answer
    x = 27,295.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.