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Finding the Fourth Proportional to 8,475.54, 12,718.02 and 3,795.36

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Solution

The fourth proportional to 8,475.54, 12,718.02 and 3,795.36 is: 5,695.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.54 : 12,718.02 = 3,795.36 : x
  2. Step 2: Convert to fraction form
    8,475.54/12,718.02 = 3,795.36/x
  3. Step 3: Cross multiply
    8,475.54x = 12,718.02 × 3,795.36
  4. Step 4: Simplify right side
    8,475.54x = 48,269,464.39
  5. Step 5: Solve for x
    x = 48,269,464.39/8,475.54
  6. Step 6: Final answer
    x = 5,695.15

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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.