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Finding the Fourth Proportional to 14,213.37, 21,324.97 and 4,859.97

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Solution

The fourth proportional to 14,213.37, 21,324.97 and 4,859.97 is: 7,291.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.37 : 21,324.97 = 4,859.97 : x
  2. Step 2: Convert to fraction form
    14,213.37/21,324.97 = 4,859.97/x
  3. Step 3: Cross multiply
    14,213.37x = 21,324.97 × 4,859.97
  4. Step 4: Simplify right side
    14,213.37x = 103,638,760.51
  5. Step 5: Solve for x
    x = 103,638,760.51/14,213.37
  6. Step 6: Final answer
    x = 7,291.64

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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.