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Finding the Fourth Proportional to 20,046.08, 27,663.52 and 11,214.08

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Solution

The fourth proportional to 20,046.08, 27,663.52 and 11,214.08 is: 15,475.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,046.08 : 27,663.52 = 11,214.08 : x
  2. Step 2: Convert to fraction form
    20,046.08/27,663.52 = 11,214.08/x
  3. Step 3: Cross multiply
    20,046.08x = 27,663.52 × 11,214.08
  4. Step 4: Simplify right side
    20,046.08x = 310,220,926.36
  5. Step 5: Solve for x
    x = 310,220,926.36/20,046.08
  6. Step 6: Final answer
    x = 15,475.39

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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.