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Finding the Fourth Proportional to 13,295.16, 19,936.17 and 7,750.44

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Solution

The fourth proportional to 13,295.16, 19,936.17 and 7,750.44 is: 11,621.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,295.16 : 19,936.17 = 7,750.44 : x
  2. Step 2: Convert to fraction form
    13,295.16/19,936.17 = 7,750.44/x
  3. Step 3: Cross multiply
    13,295.16x = 19,936.17 × 7,750.44
  4. Step 4: Simplify right side
    13,295.16x = 154,514,089.41
  5. Step 5: Solve for x
    x = 154,514,089.41/13,295.16
  6. Step 6: Final answer
    x = 11,621.83

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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.