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Finding the Fourth Proportional to 9,841.12, 14,753.64 and 4,579.42

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Solution

The fourth proportional to 9,841.12, 14,753.64 and 4,579.42 is: 6,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.12 : 14,753.64 = 4,579.42 : x
  2. Step 2: Convert to fraction form
    9,841.12/14,753.64 = 4,579.42/x
  3. Step 3: Cross multiply
    9,841.12x = 14,753.64 × 4,579.42
  4. Step 4: Simplify right side
    9,841.12x = 67,563,114.09
  5. Step 5: Solve for x
    x = 67,563,114.09/9,841.12
  6. Step 6: Final answer
    x = 6,865.39

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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.