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Finding the Fourth Proportional to 11,026.62, 16,539.93 and 7,754.31

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Solution

The fourth proportional to 11,026.62, 16,539.93 and 7,754.31 is: 11,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,026.62 : 16,539.93 = 7,754.31 : x
  2. Step 2: Convert to fraction form
    11,026.62/16,539.93 = 7,754.31/x
  3. Step 3: Cross multiply
    11,026.62x = 16,539.93 × 7,754.31
  4. Step 4: Simplify right side
    11,026.62x = 128,255,744.60
  5. Step 5: Solve for x
    x = 128,255,744.60/11,026.62
  6. Step 6: Final answer
    x = 11,631.47

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Similar ratio
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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.