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Finding the Fourth Proportional to 25,083.55, 37,629.22 and 8,442.29

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Solution

The fourth proportional to 25,083.55, 37,629.22 and 8,442.29 is: 12,664.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,083.55 : 37,629.22 = 8,442.29 : x
  2. Step 2: Convert to fraction form
    25,083.55/37,629.22 = 8,442.29/x
  3. Step 3: Cross multiply
    25,083.55x = 37,629.22 × 8,442.29
  4. Step 4: Simplify right side
    25,083.55x = 317,676,610.12
  5. Step 5: Solve for x
    x = 317,676,610.12/25,083.55
  6. Step 6: Final answer
    x = 12,664.74

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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.