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Finding the Fourth Proportional to 14,297.86, 21,449.64 and 4,938.22

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Solution

The fourth proportional to 14,297.86, 21,449.64 and 4,938.22 is: 7,408.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,297.86 : 21,449.64 = 4,938.22 : x
  2. Step 2: Convert to fraction form
    14,297.86/21,449.64 = 4,938.22/x
  3. Step 3: Cross multiply
    14,297.86x = 21,449.64 × 4,938.22
  4. Step 4: Simplify right side
    14,297.86x = 105,922,933.99
  5. Step 5: Solve for x
    x = 105,922,933.99/14,297.86
  6. Step 6: Final answer
    x = 7,408.31

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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.