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Finding the Fourth Proportional to 22,996.71, 34,488.39 and 8,953.60

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Solution

The fourth proportional to 22,996.71, 34,488.39 and 8,953.60 is: 13,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,996.71 : 34,488.39 = 8,953.60 : x
  2. Step 2: Convert to fraction form
    22,996.71/34,488.39 = 8,953.60/x
  3. Step 3: Cross multiply
    22,996.71x = 34,488.39 × 8,953.60
  4. Step 4: Simplify right side
    22,996.71x = 308,795,248.70
  5. Step 5: Solve for x
    x = 308,795,248.70/22,996.71
  6. Step 6: Final answer
    x = 13,427.80

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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.