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Finding the Fourth Proportional to 8,054.40, 12,073.44 and 5,457.60

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Solution

The fourth proportional to 8,054.40, 12,073.44 and 5,457.60 is: 8,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.40 : 12,073.44 = 5,457.60 : x
  2. Step 2: Convert to fraction form
    8,054.40/12,073.44 = 5,457.60/x
  3. Step 3: Cross multiply
    8,054.40x = 12,073.44 × 5,457.60
  4. Step 4: Simplify right side
    8,054.40x = 65,892,006.14
  5. Step 5: Solve for x
    x = 65,892,006.14/8,054.40
  6. Step 6: Final answer
    x = 8,180.87

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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.