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Finding the Fourth Proportional to 3,254.87, 4,878.85 and 1,063.01

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Solution

The fourth proportional to 3,254.87, 4,878.85 and 1,063.01 is: 1,593.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.87 : 4,878.85 = 1,063.01 : x
  2. Step 2: Convert to fraction form
    3,254.87/4,878.85 = 1,063.01/x
  3. Step 3: Cross multiply
    3,254.87x = 4,878.85 × 1,063.01
  4. Step 4: Simplify right side
    3,254.87x = 5,186,266.34
  5. Step 5: Solve for x
    x = 5,186,266.34/3,254.87
  6. Step 6: Final answer
    x = 1,593.39

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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.