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Finding the Fourth Proportional to 66,984.44, 100,485.58 and 35,395.79

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Solution

The fourth proportional to 66,984.44, 100,485.58 and 35,395.79 is: 53,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,984.44 : 100,485.58 = 35,395.79 : x
  2. Step 2: Convert to fraction form
    66,984.44/100,485.58 = 35,395.79/x
  3. Step 3: Cross multiply
    66,984.44x = 100,485.58 × 35,395.79
  4. Step 4: Simplify right side
    66,984.44x = 3,556,766,650.43
  5. Step 5: Solve for x
    x = 3,556,766,650.43/66,984.44
  6. Step 6: Final answer
    x = 53,098.40

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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.