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Finding the Fourth Proportional to 14,561.21, 21,826.22 and 7,534.14

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Solution

The fourth proportional to 14,561.21, 21,826.22 and 7,534.14 is: 11,293.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.21 : 21,826.22 = 7,534.14 : x
  2. Step 2: Convert to fraction form
    14,561.21/21,826.22 = 7,534.14/x
  3. Step 3: Cross multiply
    14,561.21x = 21,826.22 × 7,534.14
  4. Step 4: Simplify right side
    14,561.21x = 164,441,815.99
  5. Step 5: Solve for x
    x = 164,441,815.99/14,561.21
  6. Step 6: Final answer
    x = 11,293.14

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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.