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Finding the Fourth Proportional to 41,891.88, 57,810.12 and 23,028.60

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Solution

The fourth proportional to 41,891.88, 57,810.12 and 23,028.60 is: 31,779.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,891.88 : 57,810.12 = 23,028.60 : x
  2. Step 2: Convert to fraction form
    41,891.88/57,810.12 = 23,028.60/x
  3. Step 3: Cross multiply
    41,891.88x = 57,810.12 × 23,028.60
  4. Step 4: Simplify right side
    41,891.88x = 1,331,286,129.43
  5. Step 5: Solve for x
    x = 1,331,286,129.43/41,891.88
  6. Step 6: Final answer
    x = 31,779.10

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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.