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Finding the Fourth Proportional to 27,104.56, 40,656.84 and 11,511.28

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Solution

The fourth proportional to 27,104.56, 40,656.84 and 11,511.28 is: 17,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,104.56 : 40,656.84 = 11,511.28 : x
  2. Step 2: Convert to fraction form
    27,104.56/40,656.84 = 11,511.28/x
  3. Step 3: Cross multiply
    27,104.56x = 40,656.84 × 11,511.28
  4. Step 4: Simplify right side
    27,104.56x = 468,012,269.16
  5. Step 5: Solve for x
    x = 468,012,269.16/27,104.56
  6. Step 6: Final answer
    x = 17,266.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.