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Finding the Fourth Proportional to 27,472.44, 37,913.88 and 15,535.88

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Solution

The fourth proportional to 27,472.44, 37,913.88 and 15,535.88 is: 21,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,472.44 : 37,913.88 = 15,535.88 : x
  2. Step 2: Convert to fraction form
    27,472.44/37,913.88 = 15,535.88/x
  3. Step 3: Cross multiply
    27,472.44x = 37,913.88 × 15,535.88
  4. Step 4: Simplify right side
    27,472.44x = 589,025,490.01
  5. Step 5: Solve for x
    x = 589,025,490.01/27,472.44
  6. Step 6: Final answer
    x = 21,440.60

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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.