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Finding the Fourth Proportional to 12,674.22, 19,004.67 and 7,411.02

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Solution

The fourth proportional to 12,674.22, 19,004.67 and 7,411.02 is: 11,112.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.22 : 19,004.67 = 7,411.02 : x
  2. Step 2: Convert to fraction form
    12,674.22/19,004.67 = 7,411.02/x
  3. Step 3: Cross multiply
    12,674.22x = 19,004.67 × 7,411.02
  4. Step 4: Simplify right side
    12,674.22x = 140,843,989.46
  5. Step 5: Solve for x
    x = 140,843,989.46/12,674.22
  6. Step 6: Final answer
    x = 11,112.64

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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.