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Finding the Fourth Proportional to 14,788.17, 22,163.79 and 7,394.74

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Solution

The fourth proportional to 14,788.17, 22,163.79 and 7,394.74 is: 11,082.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,788.17 : 22,163.79 = 7,394.74 : x
  2. Step 2: Convert to fraction form
    14,788.17/22,163.79 = 7,394.74/x
  3. Step 3: Cross multiply
    14,788.17x = 22,163.79 × 7,394.74
  4. Step 4: Simplify right side
    14,788.17x = 163,895,464.46
  5. Step 5: Solve for x
    x = 163,895,464.46/14,788.17
  6. Step 6: Final answer
    x = 11,082.88

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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.