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Finding the Fourth Proportional to 8,051.88, 12,059.98 and 6,189.28

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Solution

The fourth proportional to 8,051.88, 12,059.98 and 6,189.28 is: 9,270.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.88 : 12,059.98 = 6,189.28 : x
  2. Step 2: Convert to fraction form
    8,051.88/12,059.98 = 6,189.28/x
  3. Step 3: Cross multiply
    8,051.88x = 12,059.98 × 6,189.28
  4. Step 4: Simplify right side
    8,051.88x = 74,642,593.01
  5. Step 5: Solve for x
    x = 74,642,593.01/8,051.88
  6. Step 6: Final answer
    x = 9,270.21

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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.