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Finding the Fourth Proportional to 8,406.98, 12,612.13 and 2,483.97

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Solution

The fourth proportional to 8,406.98, 12,612.13 and 2,483.97 is: 3,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.98 : 12,612.13 = 2,483.97 : x
  2. Step 2: Convert to fraction form
    8,406.98/12,612.13 = 2,483.97/x
  3. Step 3: Cross multiply
    8,406.98x = 12,612.13 × 2,483.97
  4. Step 4: Simplify right side
    8,406.98x = 31,328,152.56
  5. Step 5: Solve for x
    x = 31,328,152.56/8,406.98
  6. Step 6: Final answer
    x = 3,726.45

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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.