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Finding the Fourth Proportional to 66,959.36, 100,480.04 and 26,971.02

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Solution

The fourth proportional to 66,959.36, 100,480.04 and 26,971.02 is: 40,473.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,959.36 : 100,480.04 = 26,971.02 : x
  2. Step 2: Convert to fraction form
    66,959.36/100,480.04 = 26,971.02/x
  3. Step 3: Cross multiply
    66,959.36x = 100,480.04 × 26,971.02
  4. Step 4: Simplify right side
    66,959.36x = 2,710,049,168.44
  5. Step 5: Solve for x
    x = 2,710,049,168.44/66,959.36
  6. Step 6: Final answer
    x = 40,473.04

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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.