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Finding the Fourth Proportional to 14,297.56, 21,445.56 and 3,908.56

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Solution

The fourth proportional to 14,297.56, 21,445.56 and 3,908.56 is: 5,862.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.56 : 21,445.56 = 3,908.56 : x
  2. Step 2: Convert to fraction form
    14,297.56/21,445.56 = 3,908.56/x
  3. Step 3: Cross multiply
    14,297.56x = 21,445.56 × 3,908.56
  4. Step 4: Simplify right side
    14,297.56x = 83,821,257.99
  5. Step 5: Solve for x
    x = 83,821,257.99/14,297.56
  6. Step 6: Final answer
    x = 5,862.63

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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.