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Finding the Fourth Proportional to 69,812.40, 104,713.80 and 22,426.80

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Solution

The fourth proportional to 69,812.40, 104,713.80 and 22,426.80 is: 33,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,812.40 : 104,713.80 = 22,426.80 : x
  2. Step 2: Convert to fraction form
    69,812.40/104,713.80 = 22,426.80/x
  3. Step 3: Cross multiply
    69,812.40x = 104,713.80 × 22,426.80
  4. Step 4: Simplify right side
    69,812.40x = 2,348,395,449.84
  5. Step 5: Solve for x
    x = 2,348,395,449.84/69,812.40
  6. Step 6: Final answer
    x = 33,638.66

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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.