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Finding the Fourth Proportional to 27,298.17, 37,657.67 and 15,960.28

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Solution

The fourth proportional to 27,298.17, 37,657.67 and 15,960.28 is: 22,017.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,298.17 : 37,657.67 = 15,960.28 : x
  2. Step 2: Convert to fraction form
    27,298.17/37,657.67 = 15,960.28/x
  3. Step 3: Cross multiply
    27,298.17x = 37,657.67 × 15,960.28
  4. Step 4: Simplify right side
    27,298.17x = 601,026,769.06
  5. Step 5: Solve for x
    x = 601,026,769.06/27,298.17
  6. Step 6: Final answer
    x = 22,017.11

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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.