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Finding the Fourth Proportional to 66,973.44, 100,428.80 and 24,824.32

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Solution

The fourth proportional to 66,973.44, 100,428.80 and 24,824.32 is: 37,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,973.44 : 100,428.80 = 24,824.32 : x
  2. Step 2: Convert to fraction form
    66,973.44/100,428.80 = 24,824.32/x
  3. Step 3: Cross multiply
    66,973.44x = 100,428.80 × 24,824.32
  4. Step 4: Simplify right side
    66,973.44x = 2,493,076,668.42
  5. Step 5: Solve for x
    x = 2,493,076,668.42/66,973.44
  6. Step 6: Final answer
    x = 37,224.86

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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.