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Finding the Fourth Proportional to 27,967.96, 38,594.90 and 15,392.68

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Solution

The fourth proportional to 27,967.96, 38,594.90 and 15,392.68 is: 21,241.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,967.96 : 38,594.90 = 15,392.68 : x
  2. Step 2: Convert to fraction form
    27,967.96/38,594.90 = 15,392.68/x
  3. Step 3: Cross multiply
    27,967.96x = 38,594.90 × 15,392.68
  4. Step 4: Simplify right side
    27,967.96x = 594,078,945.33
  5. Step 5: Solve for x
    x = 594,078,945.33/27,967.96
  6. Step 6: Final answer
    x = 21,241.41

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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.