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Finding the Fourth Proportional to 15,166.92, 20,927.58 and 8,452.38

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Solution

The fourth proportional to 15,166.92, 20,927.58 and 8,452.38 is: 11,662.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.92 : 20,927.58 = 8,452.38 : x
  2. Step 2: Convert to fraction form
    15,166.92/20,927.58 = 8,452.38/x
  3. Step 3: Cross multiply
    15,166.92x = 20,927.58 × 8,452.38
  4. Step 4: Simplify right side
    15,166.92x = 176,887,858.64
  5. Step 5: Solve for x
    x = 176,887,858.64/15,166.92
  6. Step 6: Final answer
    x = 11,662.74

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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.