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Finding the Fourth Proportional to 66,971.52, 100,393.38 and 22,575.36

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Solution

The fourth proportional to 66,971.52, 100,393.38 and 22,575.36 is: 33,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,971.52 : 100,393.38 = 22,575.36 : x
  2. Step 2: Convert to fraction form
    66,971.52/100,393.38 = 22,575.36/x
  3. Step 3: Cross multiply
    66,971.52x = 100,393.38 × 22,575.36
  4. Step 4: Simplify right side
    66,971.52x = 2,266,416,695.12
  5. Step 5: Solve for x
    x = 2,266,416,695.12/66,971.52
  6. Step 6: Final answer
    x = 33,841.50

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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.