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Finding the Fourth Proportional to 8,398.44, 12,599.73 and 2,554.74

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Solution

The fourth proportional to 8,398.44, 12,599.73 and 2,554.74 is: 3,832.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.44 : 12,599.73 = 2,554.74 : x
  2. Step 2: Convert to fraction form
    8,398.44/12,599.73 = 2,554.74/x
  3. Step 3: Cross multiply
    8,398.44x = 12,599.73 × 2,554.74
  4. Step 4: Simplify right side
    8,398.44x = 32,189,034.22
  5. Step 5: Solve for x
    x = 32,189,034.22/8,398.44
  6. Step 6: Final answer
    x = 3,832.74

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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.