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Finding the Fourth Proportional to 8,597.78, 12,898.52 and 2,674.55

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Solution

The fourth proportional to 8,597.78, 12,898.52 and 2,674.55 is: 4,012.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.78 : 12,898.52 = 2,674.55 : x
  2. Step 2: Convert to fraction form
    8,597.78/12,898.52 = 2,674.55/x
  3. Step 3: Cross multiply
    8,597.78x = 12,898.52 × 2,674.55
  4. Step 4: Simplify right side
    8,597.78x = 34,497,743.35
  5. Step 5: Solve for x
    x = 34,497,743.35/8,597.78
  6. Step 6: Final answer
    x = 4,012.40

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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.