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Finding the Fourth Proportional to 27,294.56, 37,663.44 and 15,362

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Solution

The fourth proportional to 27,294.56, 37,663.44 and 15,362 is: 21,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.56 : 37,663.44 = 15,362 : x
  2. Step 2: Convert to fraction form
    27,294.56/37,663.44 = 15,362/x
  3. Step 3: Cross multiply
    27,294.56x = 37,663.44 × 15,362
  4. Step 4: Simplify right side
    27,294.56x = 578,585,765.28
  5. Step 5: Solve for x
    x = 578,585,765.28/27,294.56
  6. Step 6: Final answer
    x = 21,197.84

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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.