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Finding the Fourth Proportional to 9,893.96, 14,843.58 and 3,320.84

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Solution

The fourth proportional to 9,893.96, 14,843.58 and 3,320.84 is: 4,982.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,893.96 : 14,843.58 = 3,320.84 : x
  2. Step 2: Convert to fraction form
    9,893.96/14,843.58 = 3,320.84/x
  3. Step 3: Cross multiply
    9,893.96x = 14,843.58 × 3,320.84
  4. Step 4: Simplify right side
    9,893.96x = 49,293,154.21
  5. Step 5: Solve for x
    x = 49,293,154.21/9,893.96
  6. Step 6: Final answer
    x = 4,982.15

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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.