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Finding the Fourth Proportional to 14,363.87, 21,545.24 and 7,343.80

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Solution

The fourth proportional to 14,363.87, 21,545.24 and 7,343.80 is: 11,015.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.87 : 21,545.24 = 7,343.80 : x
  2. Step 2: Convert to fraction form
    14,363.87/21,545.24 = 7,343.80/x
  3. Step 3: Cross multiply
    14,363.87x = 21,545.24 × 7,343.80
  4. Step 4: Simplify right side
    14,363.87x = 158,223,933.51
  5. Step 5: Solve for x
    x = 158,223,933.51/14,363.87
  6. Step 6: Final answer
    x = 11,015.41

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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.