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Finding the Fourth Proportional to 69,380.80, 104,085.60 and 22,637.20

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Solution

The fourth proportional to 69,380.80, 104,085.60 and 22,637.20 is: 33,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,380.80 : 104,085.60 = 22,637.20 : x
  2. Step 2: Convert to fraction form
    69,380.80/104,085.60 = 22,637.20/x
  3. Step 3: Cross multiply
    69,380.80x = 104,085.60 × 22,637.20
  4. Step 4: Simplify right side
    69,380.80x = 2,356,206,544.32
  5. Step 5: Solve for x
    x = 2,356,206,544.32/69,380.80
  6. Step 6: Final answer
    x = 33,960.50

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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.