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Finding the Fourth Proportional to 44,172.42, 66,258.57 and 11,340.42

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Solution

The fourth proportional to 44,172.42, 66,258.57 and 11,340.42 is: 17,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,172.42 : 66,258.57 = 11,340.42 : x
  2. Step 2: Convert to fraction form
    44,172.42/66,258.57 = 11,340.42/x
  3. Step 3: Cross multiply
    44,172.42x = 66,258.57 × 11,340.42
  4. Step 4: Simplify right side
    44,172.42x = 751,400,012.40
  5. Step 5: Solve for x
    x = 751,400,012.40/44,172.42
  6. Step 6: Final answer
    x = 17,010.61

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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.