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Finding the Fourth Proportional to 8,641.43, 12,962.23 and 2,401.94

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Solution

The fourth proportional to 8,641.43, 12,962.23 and 2,401.94 is: 3,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,641.43 : 12,962.23 = 2,401.94 : x
  2. Step 2: Convert to fraction form
    8,641.43/12,962.23 = 2,401.94/x
  3. Step 3: Cross multiply
    8,641.43x = 12,962.23 × 2,401.94
  4. Step 4: Simplify right side
    8,641.43x = 31,134,452.21
  5. Step 5: Solve for x
    x = 31,134,452.21/8,641.43
  6. Step 6: Final answer
    x = 3,602.93

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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.