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Finding the Fourth Proportional to 66,739.01, 92,059.79 and 44,078.04

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Solution

The fourth proportional to 66,739.01, 92,059.79 and 44,078.04 is: 60,801.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,739.01 : 92,059.79 = 44,078.04 : x
  2. Step 2: Convert to fraction form
    66,739.01/92,059.79 = 44,078.04/x
  3. Step 3: Cross multiply
    66,739.01x = 92,059.79 × 44,078.04
  4. Step 4: Simplify right side
    66,739.01x = 4,057,814,885.62
  5. Step 5: Solve for x
    x = 4,057,814,885.62/66,739.01
  6. Step 6: Final answer
    x = 60,801.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.