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Finding the Fourth Proportional to 4,560.78, 6,841.17 and 1,098.03

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Solution

The fourth proportional to 4,560.78, 6,841.17 and 1,098.03 is: 1,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,560.78 : 6,841.17 = 1,098.03 : x
  2. Step 2: Convert to fraction form
    4,560.78/6,841.17 = 1,098.03/x
  3. Step 3: Cross multiply
    4,560.78x = 6,841.17 × 1,098.03
  4. Step 4: Simplify right side
    4,560.78x = 7,511,809.90
  5. Step 5: Solve for x
    x = 7,511,809.90/4,560.78
  6. Step 6: Final answer
    x = 1,647.05

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1.5x scale

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.