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Finding the Fourth Proportional to 15,262.53, 21,062.14 and 8,548.17

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Solution

The fourth proportional to 15,262.53, 21,062.14 and 8,548.17 is: 11,796.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,262.53 : 21,062.14 = 8,548.17 : x
  2. Step 2: Convert to fraction form
    15,262.53/21,062.14 = 8,548.17/x
  3. Step 3: Cross multiply
    15,262.53x = 21,062.14 × 8,548.17
  4. Step 4: Simplify right side
    15,262.53x = 180,042,731.91
  5. Step 5: Solve for x
    x = 180,042,731.91/15,262.53
  6. Step 6: Final answer
    x = 11,796.39

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1.5x scale

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.