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Finding the Fourth Proportional to 14,461.11, 19,954.22 and 8,494.71

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Solution

The fourth proportional to 14,461.11, 19,954.22 and 8,494.71 is: 11,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,461.11 : 19,954.22 = 8,494.71 : x
  2. Step 2: Convert to fraction form
    14,461.11/19,954.22 = 8,494.71/x
  3. Step 3: Cross multiply
    14,461.11x = 19,954.22 × 8,494.71
  4. Step 4: Simplify right side
    14,461.11x = 169,505,269.70
  5. Step 5: Solve for x
    x = 169,505,269.70/14,461.11
  6. Step 6: Final answer
    x = 11,721.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.