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Finding the Fourth Proportional to 27,194.50, 37,528.50 and 15,871.78

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Solution

The fourth proportional to 27,194.50, 37,528.50 and 15,871.78 is: 21,903.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,194.50 : 37,528.50 = 15,871.78 : x
  2. Step 2: Convert to fraction form
    27,194.50/37,528.50 = 15,871.78/x
  3. Step 3: Cross multiply
    27,194.50x = 37,528.50 × 15,871.78
  4. Step 4: Simplify right side
    27,194.50x = 595,644,095.73
  5. Step 5: Solve for x
    x = 595,644,095.73/27,194.50
  6. Step 6: Final answer
    x = 21,903.11

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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.