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Finding the Fourth Proportional to 14,906.01, 20,569.10 and 8,618.79

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Solution

The fourth proportional to 14,906.01, 20,569.10 and 8,618.79 is: 11,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.01 : 20,569.10 = 8,618.79 : x
  2. Step 2: Convert to fraction form
    14,906.01/20,569.10 = 8,618.79/x
  3. Step 3: Cross multiply
    14,906.01x = 20,569.10 × 8,618.79
  4. Step 4: Simplify right side
    14,906.01x = 177,280,710.30
  5. Step 5: Solve for x
    x = 177,280,710.30/14,906.01
  6. Step 6: Final answer
    x = 11,893.24

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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.