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Finding the Fourth Proportional to 48,792.97, 73,189.45 and 11,856.97

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Solution

The fourth proportional to 48,792.97, 73,189.45 and 11,856.97 is: 17,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,792.97 : 73,189.45 = 11,856.97 : x
  2. Step 2: Convert to fraction form
    48,792.97/73,189.45 = 11,856.97/x
  3. Step 3: Cross multiply
    48,792.97x = 73,189.45 × 11,856.97
  4. Step 4: Simplify right side
    48,792.97x = 867,804,717.38
  5. Step 5: Solve for x
    x = 867,804,717.38/48,792.97
  6. Step 6: Final answer
    x = 17,785.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.