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Finding the Fourth Proportional to 8,598.96, 12,890.34 and 4,698

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Solution

The fourth proportional to 8,598.96, 12,890.34 and 4,698 is: 7,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.96 : 12,890.34 = 4,698 : x
  2. Step 2: Convert to fraction form
    8,598.96/12,890.34 = 4,698/x
  3. Step 3: Cross multiply
    8,598.96x = 12,890.34 × 4,698
  4. Step 4: Simplify right side
    8,598.96x = 60,558,817.32
  5. Step 5: Solve for x
    x = 60,558,817.32/8,598.96
  6. Step 6: Final answer
    x = 7,042.57

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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.