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Finding the Fourth Proportional to 8,941.84, 12,339.31 and 4,908.58

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Solution

The fourth proportional to 8,941.84, 12,339.31 and 4,908.58 is: 6,773.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.84 : 12,339.31 = 4,908.58 : x
  2. Step 2: Convert to fraction form
    8,941.84/12,339.31 = 4,908.58/x
  3. Step 3: Cross multiply
    8,941.84x = 12,339.31 × 4,908.58
  4. Step 4: Simplify right side
    8,941.84x = 60,568,490.28
  5. Step 5: Solve for x
    x = 60,568,490.28/8,941.84
  6. Step 6: Final answer
    x = 6,773.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.