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Finding the Fourth Proportional to 47,963.76, 66,187.56 and 26,738.92

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Solution

The fourth proportional to 47,963.76, 66,187.56 and 26,738.92 is: 36,898.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,963.76 : 66,187.56 = 26,738.92 : x
  2. Step 2: Convert to fraction form
    47,963.76/66,187.56 = 26,738.92/x
  3. Step 3: Cross multiply
    47,963.76x = 66,187.56 × 26,738.92
  4. Step 4: Simplify right side
    47,963.76x = 1,769,783,871.84
  5. Step 5: Solve for x
    x = 1,769,783,871.84/47,963.76
  6. Step 6: Final answer
    x = 36,898.36

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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.