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Finding the Fourth Proportional to 36,913.26, 55,369.90 and 9,211.26

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Solution

The fourth proportional to 36,913.26, 55,369.90 and 9,211.26 is: 13,816.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,913.26 : 55,369.90 = 9,211.26 : x
  2. Step 2: Convert to fraction form
    36,913.26/55,369.90 = 9,211.26/x
  3. Step 3: Cross multiply
    36,913.26x = 55,369.90 × 9,211.26
  4. Step 4: Simplify right side
    36,913.26x = 510,026,545.07
  5. Step 5: Solve for x
    x = 510,026,545.07/36,913.26
  6. Step 6: Final answer
    x = 13,816.89

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1.5x scale

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.