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Finding the Fourth Proportional to 11,398.92, 15,727.08 and 11,023.08

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Solution

The fourth proportional to 11,398.92, 15,727.08 and 11,023.08 is: 15,208.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.92 : 15,727.08 = 11,023.08 : x
  2. Step 2: Convert to fraction form
    11,398.92/15,727.08 = 11,023.08/x
  3. Step 3: Cross multiply
    11,398.92x = 15,727.08 × 11,023.08
  4. Step 4: Simplify right side
    11,398.92x = 173,360,861.01
  5. Step 5: Solve for x
    x = 173,360,861.01/11,398.92
  6. Step 6: Final answer
    x = 15,208.53

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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.