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Finding the Fourth Proportional to 44,468.40, 66,679.80 and 13,299.60

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Solution

The fourth proportional to 44,468.40, 66,679.80 and 13,299.60 is: 19,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,468.40 : 66,679.80 = 13,299.60 : x
  2. Step 2: Convert to fraction form
    44,468.40/66,679.80 = 13,299.60/x
  3. Step 3: Cross multiply
    44,468.40x = 66,679.80 × 13,299.60
  4. Step 4: Simplify right side
    44,468.40x = 886,814,668.08
  5. Step 5: Solve for x
    x = 886,814,668.08/44,468.40
  6. Step 6: Final answer
    x = 19,942.58

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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.