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Finding the Fourth Proportional to 27,458.99, 37,893.21 and 15,522.29

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Solution

The fourth proportional to 27,458.99, 37,893.21 and 15,522.29 is: 21,420.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,458.99 : 37,893.21 = 15,522.29 : x
  2. Step 2: Convert to fraction form
    27,458.99/37,893.21 = 15,522.29/x
  3. Step 3: Cross multiply
    27,458.99x = 37,893.21 × 15,522.29
  4. Step 4: Simplify right side
    27,458.99x = 588,189,205.18
  5. Step 5: Solve for x
    x = 588,189,205.18/27,458.99
  6. Step 6: Final answer
    x = 21,420.65

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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.