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Finding the Fourth Proportional to 14,524.11, 21,790.42 and 7,508.09

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Solution

The fourth proportional to 14,524.11, 21,790.42 and 7,508.09 is: 11,264.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,524.11 : 21,790.42 = 7,508.09 : x
  2. Step 2: Convert to fraction form
    14,524.11/21,790.42 = 7,508.09/x
  3. Step 3: Cross multiply
    14,524.11x = 21,790.42 × 7,508.09
  4. Step 4: Simplify right side
    14,524.11x = 163,604,470.20
  5. Step 5: Solve for x
    x = 163,604,470.20/14,524.11
  6. Step 6: Final answer
    x = 11,264.34

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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.