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Finding the Fourth Proportional to 13,266.92, 18,296.88 and 10,282.88

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Solution

The fourth proportional to 13,266.92, 18,296.88 and 10,282.88 is: 14,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.92 : 18,296.88 = 10,282.88 : x
  2. Step 2: Convert to fraction form
    13,266.92/18,296.88 = 10,282.88/x
  3. Step 3: Cross multiply
    13,266.92x = 18,296.88 × 10,282.88
  4. Step 4: Simplify right side
    13,266.92x = 188,144,621.41
  5. Step 5: Solve for x
    x = 188,144,621.41/13,266.92
  6. Step 6: Final answer
    x = 14,181.48

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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.