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Finding the Fourth Proportional to 6,718.84, 10,080.96 and 3,018.58

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Solution

The fourth proportional to 6,718.84, 10,080.96 and 3,018.58 is: 4,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,718.84 : 10,080.96 = 3,018.58 : x
  2. Step 2: Convert to fraction form
    6,718.84/10,080.96 = 3,018.58/x
  3. Step 3: Cross multiply
    6,718.84x = 10,080.96 × 3,018.58
  4. Step 4: Simplify right side
    6,718.84x = 30,430,184.24
  5. Step 5: Solve for x
    x = 30,430,184.24/6,718.84
  6. Step 6: Final answer
    x = 4,529.08

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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.