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Finding the Fourth Proportional to 8,495.68, 12,738.66 and 5,035.36

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Solution

The fourth proportional to 8,495.68, 12,738.66 and 5,035.36 is: 7,550.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.68 : 12,738.66 = 5,035.36 : x
  2. Step 2: Convert to fraction form
    8,495.68/12,738.66 = 5,035.36/x
  3. Step 3: Cross multiply
    8,495.68x = 12,738.66 × 5,035.36
  4. Step 4: Simplify right side
    8,495.68x = 64,143,739.02
  5. Step 5: Solve for x
    x = 64,143,739.02/8,495.68
  6. Step 6: Final answer
    x = 7,550.16

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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.