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Finding the Fourth Proportional to 66,736.40, 100,114.20 and 22,365.20

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Solution

The fourth proportional to 66,736.40, 100,114.20 and 22,365.20 is: 33,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,736.40 : 100,114.20 = 22,365.20 : x
  2. Step 2: Convert to fraction form
    66,736.40/100,114.20 = 22,365.20/x
  3. Step 3: Cross multiply
    66,736.40x = 100,114.20 × 22,365.20
  4. Step 4: Simplify right side
    66,736.40x = 2,239,074,105.84
  5. Step 5: Solve for x
    x = 2,239,074,105.84/66,736.40
  6. Step 6: Final answer
    x = 33,551.02

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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.