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Finding the Fourth Proportional to 55,486.92, 83,230.80 and 22,209.84

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Solution

The fourth proportional to 55,486.92, 83,230.80 and 22,209.84 is: 33,314.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,486.92 : 83,230.80 = 22,209.84 : x
  2. Step 2: Convert to fraction form
    55,486.92/83,230.80 = 22,209.84/x
  3. Step 3: Cross multiply
    55,486.92x = 83,230.80 × 22,209.84
  4. Step 4: Simplify right side
    55,486.92x = 1,848,542,751.07
  5. Step 5: Solve for x
    x = 1,848,542,751.07/55,486.92
  6. Step 6: Final answer
    x = 33,314.93

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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.