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Finding the Fourth Proportional to 27,885.66, 38,476.81 and 15,946.47

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Solution

The fourth proportional to 27,885.66, 38,476.81 and 15,946.47 is: 22,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,885.66 : 38,476.81 = 15,946.47 : x
  2. Step 2: Convert to fraction form
    27,885.66/38,476.81 = 15,946.47/x
  3. Step 3: Cross multiply
    27,885.66x = 38,476.81 × 15,946.47
  4. Step 4: Simplify right side
    27,885.66x = 613,569,024.24
  5. Step 5: Solve for x
    x = 613,569,024.24/27,885.66
  6. Step 6: Final answer
    x = 22,003.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.