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Finding the Fourth Proportional to 66,915.53, 100,373.44 and 22,573.41

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Solution

The fourth proportional to 66,915.53, 100,373.44 and 22,573.41 is: 33,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,915.53 : 100,373.44 = 22,573.41 : x
  2. Step 2: Convert to fraction form
    66,915.53/100,373.44 = 22,573.41/x
  3. Step 3: Cross multiply
    66,915.53x = 100,373.44 × 22,573.41
  4. Step 4: Simplify right side
    66,915.53x = 2,265,770,814.23
  5. Step 5: Solve for x
    x = 2,265,770,814.23/66,915.53
  6. Step 6: Final answer
    x = 33,860.16

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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.