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Finding the Fourth Proportional to 5,363.84, 8,045.78 and 1,901.08

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Solution

The fourth proportional to 5,363.84, 8,045.78 and 1,901.08 is: 2,851.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.84 : 8,045.78 = 1,901.08 : x
  2. Step 2: Convert to fraction form
    5,363.84/8,045.78 = 1,901.08/x
  3. Step 3: Cross multiply
    5,363.84x = 8,045.78 × 1,901.08
  4. Step 4: Simplify right side
    5,363.84x = 15,295,671.44
  5. Step 5: Solve for x
    x = 15,295,671.44/5,363.84
  6. Step 6: Final answer
    x = 2,851.63

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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.