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Finding the Fourth Proportional to 62,883.45, 86,753.54 and 35,653.79

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Solution

The fourth proportional to 62,883.45, 86,753.54 and 35,653.79 is: 49,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,883.45 : 86,753.54 = 35,653.79 : x
  2. Step 2: Convert to fraction form
    62,883.45/86,753.54 = 35,653.79/x
  3. Step 3: Cross multiply
    62,883.45x = 86,753.54 × 35,653.79
  4. Step 4: Simplify right side
    62,883.45x = 3,093,092,496.92
  5. Step 5: Solve for x
    x = 3,093,092,496.92/62,883.45
  6. Step 6: Final answer
    x = 49,187.70

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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.