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Finding the Fourth Proportional to 27,447, 37,876.92 and 14,871.84

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Solution

The fourth proportional to 27,447, 37,876.92 and 14,871.84 is: 20,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,447 : 37,876.92 = 14,871.84 : x
  2. Step 2: Convert to fraction form
    27,447/37,876.92 = 14,871.84/x
  3. Step 3: Cross multiply
    27,447x = 37,876.92 × 14,871.84
  4. Step 4: Simplify right side
    27,447x = 563,299,493.93
  5. Step 5: Solve for x
    x = 563,299,493.93/27,447
  6. Step 6: Final answer
    x = 20,523.17

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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.