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Finding the Fourth Proportional to 62,883.49, 86,775.34 and 36,019.84

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Solution

The fourth proportional to 62,883.49, 86,775.34 and 36,019.84 is: 49,705.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,883.49 : 86,775.34 = 36,019.84 : x
  2. Step 2: Convert to fraction form
    62,883.49/86,775.34 = 36,019.84/x
  3. Step 3: Cross multiply
    62,883.49x = 86,775.34 × 36,019.84
  4. Step 4: Simplify right side
    62,883.49x = 3,125,633,862.75
  5. Step 5: Solve for x
    x = 3,125,633,862.75/62,883.49
  6. Step 6: Final answer
    x = 49,705.16

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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.