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Finding the Fourth Proportional to 18,182.71, 25,092.48 and 10,629.69

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Solution

The fourth proportional to 18,182.71, 25,092.48 and 10,629.69 is: 14,669.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,182.71 : 25,092.48 = 10,629.69 : x
  2. Step 2: Convert to fraction form
    18,182.71/25,092.48 = 10,629.69/x
  3. Step 3: Cross multiply
    18,182.71x = 25,092.48 × 10,629.69
  4. Step 4: Simplify right side
    18,182.71x = 266,725,283.73
  5. Step 5: Solve for x
    x = 266,725,283.73/18,182.71
  6. Step 6: Final answer
    x = 14,669.17

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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.