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Finding the Fourth Proportional to 15,062.06, 20,787.10 and 8,349.14

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Solution

The fourth proportional to 15,062.06, 20,787.10 and 8,349.14 is: 11,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.06 : 20,787.10 = 8,349.14 : x
  2. Step 2: Convert to fraction form
    15,062.06/20,787.10 = 8,349.14/x
  3. Step 3: Cross multiply
    15,062.06x = 20,787.10 × 8,349.14
  4. Step 4: Simplify right side
    15,062.06x = 173,554,408.09
  5. Step 5: Solve for x
    x = 173,554,408.09/15,062.06
  6. Step 6: Final answer
    x = 11,522.62

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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.