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Finding the Fourth Proportional to 62,069.36, 85,657.36 and 33,776.80

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Solution

The fourth proportional to 62,069.36, 85,657.36 and 33,776.80 is: 46,612.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,069.36 : 85,657.36 = 33,776.80 : x
  2. Step 2: Convert to fraction form
    62,069.36/85,657.36 = 33,776.80/x
  3. Step 3: Cross multiply
    62,069.36x = 85,657.36 × 33,776.80
  4. Step 4: Simplify right side
    62,069.36x = 2,893,231,517.25
  5. Step 5: Solve for x
    x = 2,893,231,517.25/62,069.36
  6. Step 6: Final answer
    x = 46,612.88

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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.