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Finding the Fourth Proportional to 29,578.80, 44,368.20 and 27,159.60

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Solution

The fourth proportional to 29,578.80, 44,368.20 and 27,159.60 is: 40,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,578.80 : 44,368.20 = 27,159.60 : x
  2. Step 2: Convert to fraction form
    29,578.80/44,368.20 = 27,159.60/x
  3. Step 3: Cross multiply
    29,578.80x = 44,368.20 × 27,159.60
  4. Step 4: Simplify right side
    29,578.80x = 1,205,022,564.72
  5. Step 5: Solve for x
    x = 1,205,022,564.72/29,578.80
  6. Step 6: Final answer
    x = 40,739.40

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Similar ratio
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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.