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Finding the Fourth Proportional to 8,984.63, 13,471.13 and 3,718.22

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Solution

The fourth proportional to 8,984.63, 13,471.13 and 3,718.22 is: 5,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,984.63 : 13,471.13 = 3,718.22 : x
  2. Step 2: Convert to fraction form
    8,984.63/13,471.13 = 3,718.22/x
  3. Step 3: Cross multiply
    8,984.63x = 13,471.13 × 3,718.22
  4. Step 4: Simplify right side
    8,984.63x = 50,088,546.01
  5. Step 5: Solve for x
    x = 50,088,546.01/8,984.63
  6. Step 6: Final answer
    x = 5,574.91

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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.