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Finding the Fourth Proportional to 9,857.84, 14,789.10 and 3,284.08

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Solution

The fourth proportional to 9,857.84, 14,789.10 and 3,284.08 is: 4,926.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,857.84 : 14,789.10 = 3,284.08 : x
  2. Step 2: Convert to fraction form
    9,857.84/14,789.10 = 3,284.08/x
  3. Step 3: Cross multiply
    9,857.84x = 14,789.10 × 3,284.08
  4. Step 4: Simplify right side
    9,857.84x = 48,568,587.53
  5. Step 5: Solve for x
    x = 48,568,587.53/9,857.84
  6. Step 6: Final answer
    x = 4,926.90

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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.