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Finding the Fourth Proportional to 47,193.72, 65,123.41 and 27,809.61

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Solution

The fourth proportional to 47,193.72, 65,123.41 and 27,809.61 is: 38,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,193.72 : 65,123.41 = 27,809.61 : x
  2. Step 2: Convert to fraction form
    47,193.72/65,123.41 = 27,809.61/x
  3. Step 3: Cross multiply
    47,193.72x = 65,123.41 × 27,809.61
  4. Step 4: Simplify right side
    47,193.72x = 1,811,056,633.97
  5. Step 5: Solve for x
    x = 1,811,056,633.97/47,193.72
  6. Step 6: Final answer
    x = 38,374.95

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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.