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Finding the Fourth Proportional to 4,914.62, 7,373.28 and 1,451.88

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Solution

The fourth proportional to 4,914.62, 7,373.28 and 1,451.88 is: 2,178.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.62 : 7,373.28 = 1,451.88 : x
  2. Step 2: Convert to fraction form
    4,914.62/7,373.28 = 1,451.88/x
  3. Step 3: Cross multiply
    4,914.62x = 7,373.28 × 1,451.88
  4. Step 4: Simplify right side
    4,914.62x = 10,705,117.77
  5. Step 5: Solve for x
    x = 10,705,117.77/4,914.62
  6. Step 6: Final answer
    x = 2,178.22

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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.