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Finding the Fourth Proportional to 4,981.84, 7,473.03 and 1,862.66

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Solution

The fourth proportional to 4,981.84, 7,473.03 and 1,862.66 is: 2,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.84 : 7,473.03 = 1,862.66 : x
  2. Step 2: Convert to fraction form
    4,981.84/7,473.03 = 1,862.66/x
  3. Step 3: Cross multiply
    4,981.84x = 7,473.03 × 1,862.66
  4. Step 4: Simplify right side
    4,981.84x = 13,919,725.76
  5. Step 5: Solve for x
    x = 13,919,725.76/4,981.84
  6. Step 6: Final answer
    x = 2,794.09

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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.