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Finding the Fourth Proportional to 8,987.48, 13,481.22 and 7,051.98

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Solution

The fourth proportional to 8,987.48, 13,481.22 and 7,051.98 is: 10,577.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987.48 : 13,481.22 = 7,051.98 : x
  2. Step 2: Convert to fraction form
    8,987.48/13,481.22 = 7,051.98/x
  3. Step 3: Cross multiply
    8,987.48x = 13,481.22 × 7,051.98
  4. Step 4: Simplify right side
    8,987.48x = 95,069,293.82
  5. Step 5: Solve for x
    x = 95,069,293.82/8,987.48
  6. Step 6: Final answer
    x = 10,577.97

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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.