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Finding the Fourth Proportional to 44,189.85, 66,284.90 and 36,389.45

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Solution

The fourth proportional to 44,189.85, 66,284.90 and 36,389.45 is: 54,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,189.85 : 66,284.90 = 36,389.45 : x
  2. Step 2: Convert to fraction form
    44,189.85/66,284.90 = 36,389.45/x
  3. Step 3: Cross multiply
    44,189.85x = 66,284.90 × 36,389.45
  4. Step 4: Simplify right side
    44,189.85x = 2,412,070,540.93
  5. Step 5: Solve for x
    x = 2,412,070,540.93/44,189.85
  6. Step 6: Final answer
    x = 54,584.27

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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.