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Finding the Fourth Proportional to 12,772.04, 17,627.02 and 7,183

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Solution

The fourth proportional to 12,772.04, 17,627.02 and 7,183 is: 9,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.04 : 17,627.02 = 7,183 : x
  2. Step 2: Convert to fraction form
    12,772.04/17,627.02 = 7,183/x
  3. Step 3: Cross multiply
    12,772.04x = 17,627.02 × 7,183
  4. Step 4: Simplify right side
    12,772.04x = 126,614,884.66
  5. Step 5: Solve for x
    x = 126,614,884.66/12,772.04
  6. Step 6: Final answer
    x = 9,913.44

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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.