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Finding the Fourth Proportional to 27,956.34, 38,581.02 and 17,349.39

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Solution

The fourth proportional to 27,956.34, 38,581.02 and 17,349.39 is: 23,942.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,956.34 : 38,581.02 = 17,349.39 : x
  2. Step 2: Convert to fraction form
    27,956.34/38,581.02 = 17,349.39/x
  3. Step 3: Cross multiply
    27,956.34x = 38,581.02 × 17,349.39
  4. Step 4: Simplify right side
    27,956.34x = 669,357,162.58
  5. Step 5: Solve for x
    x = 669,357,162.58/27,956.34
  6. Step 6: Final answer
    x = 23,942.95

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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.