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Finding the Fourth Proportional to 8,505.84, 12,758.58 and 2,349.84

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Solution

The fourth proportional to 8,505.84, 12,758.58 and 2,349.84 is: 3,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.84 : 12,758.58 = 2,349.84 : x
  2. Step 2: Convert to fraction form
    8,505.84/12,758.58 = 2,349.84/x
  3. Step 3: Cross multiply
    8,505.84x = 12,758.58 × 2,349.84
  4. Step 4: Simplify right side
    8,505.84x = 29,980,621.63
  5. Step 5: Solve for x
    x = 29,980,621.63/8,505.84
  6. Step 6: Final answer
    x = 3,524.71

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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.