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Finding the Fourth Proportional to 25,090.68, 37,636.09 and 8,462.39

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Solution

The fourth proportional to 25,090.68, 37,636.09 and 8,462.39 is: 12,693.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,090.68 : 37,636.09 = 8,462.39 : x
  2. Step 2: Convert to fraction form
    25,090.68/37,636.09 = 8,462.39/x
  3. Step 3: Cross multiply
    25,090.68x = 37,636.09 × 8,462.39
  4. Step 4: Simplify right side
    25,090.68x = 318,491,229.34
  5. Step 5: Solve for x
    x = 318,491,229.34/25,090.68
  6. Step 6: Final answer
    x = 12,693.61

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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.