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Finding the Fourth Proportional to 66,996.40, 100,494.60 and 17,076.40

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Solution

The fourth proportional to 66,996.40, 100,494.60 and 17,076.40 is: 25,614.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,996.40 : 100,494.60 = 17,076.40 : x
  2. Step 2: Convert to fraction form
    66,996.40/100,494.60 = 17,076.40/x
  3. Step 3: Cross multiply
    66,996.40x = 100,494.60 × 17,076.40
  4. Step 4: Simplify right side
    66,996.40x = 1,716,085,987.44
  5. Step 5: Solve for x
    x = 1,716,085,987.44/66,996.40
  6. Step 6: Final answer
    x = 25,614.60

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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.