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Finding the Fourth Proportional to 27,383.00, 37,788.53 and 15,446.30

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Solution

The fourth proportional to 27,383.00, 37,788.53 and 15,446.30 is: 21,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,383.00 : 37,788.53 = 15,446.30 : x
  2. Step 2: Convert to fraction form
    27,383.00/37,788.53 = 15,446.30/x
  3. Step 3: Cross multiply
    27,383.00x = 37,788.53 × 15,446.30
  4. Step 4: Simplify right side
    27,383.00x = 583,692,704.76
  5. Step 5: Solve for x
    x = 583,692,704.76/27,383.00
  6. Step 6: Final answer
    x = 21,315.88

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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.