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Finding the Fourth Proportional to 44,310.40, 66,484.80 and 20,924.80

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Solution

The fourth proportional to 44,310.40, 66,484.80 and 20,924.80 is: 31,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,310.40 : 66,484.80 = 20,924.80 : x
  2. Step 2: Convert to fraction form
    44,310.40/66,484.80 = 20,924.80/x
  3. Step 3: Cross multiply
    44,310.40x = 66,484.80 × 20,924.80
  4. Step 4: Simplify right side
    44,310.40x = 1,391,181,143.04
  5. Step 5: Solve for x
    x = 1,391,181,143.04/44,310.40
  6. Step 6: Final answer
    x = 31,396.27

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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.