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Finding the Fourth Proportional to 27,937.67, 38,609.28 and 22,893.93

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Solution

The fourth proportional to 27,937.67, 38,609.28 and 22,893.93 is: 31,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,937.67 : 38,609.28 = 22,893.93 : x
  2. Step 2: Convert to fraction form
    27,937.67/38,609.28 = 22,893.93/x
  3. Step 3: Cross multiply
    27,937.67x = 38,609.28 × 22,893.93
  4. Step 4: Simplify right side
    27,937.67x = 883,918,153.67
  5. Step 5: Solve for x
    x = 883,918,153.67/27,937.67
  6. Step 6: Final answer
    x = 31,638.94

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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.