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Finding the Fourth Proportional to 66,988.01, 100,481.00 and 22,645.91

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Solution

The fourth proportional to 66,988.01, 100,481.00 and 22,645.91 is: 33,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,988.01 : 100,481.00 = 22,645.91 : x
  2. Step 2: Convert to fraction form
    66,988.01/100,481.00 = 22,645.91/x
  3. Step 3: Cross multiply
    66,988.01x = 100,481.00 × 22,645.91
  4. Step 4: Simplify right side
    66,988.01x = 2,275,483,820.68
  5. Step 5: Solve for x
    x = 2,275,483,820.68/66,988.01
  6. Step 6: Final answer
    x = 33,968.52

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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.