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Finding the Fourth Proportional to 8,744.70, 12,053.27 and 6,189.16

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Solution

The fourth proportional to 8,744.70, 12,053.27 and 6,189.16 is: 8,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.70 : 12,053.27 = 6,189.16 : x
  2. Step 2: Convert to fraction form
    8,744.70/12,053.27 = 6,189.16/x
  3. Step 3: Cross multiply
    8,744.70x = 12,053.27 × 6,189.16
  4. Step 4: Simplify right side
    8,744.70x = 74,599,616.55
  5. Step 5: Solve for x
    x = 74,599,616.55/8,744.70
  6. Step 6: Final answer
    x = 8,530.84

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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.