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Finding the Fourth Proportional to 18,466.92, 25,484.31 and 10,083.42

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Solution

The fourth proportional to 18,466.92, 25,484.31 and 10,083.42 is: 13,915.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.92 : 25,484.31 = 10,083.42 : x
  2. Step 2: Convert to fraction form
    18,466.92/25,484.31 = 10,083.42/x
  3. Step 3: Cross multiply
    18,466.92x = 25,484.31 × 10,083.42
  4. Step 4: Simplify right side
    18,466.92x = 256,969,001.14
  5. Step 5: Solve for x
    x = 256,969,001.14/18,466.92
  6. Step 6: Final answer
    x = 13,915.10

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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.