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Finding the Fourth Proportional to 3,702.84, 5,554.24 and 1,105.68

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Solution

The fourth proportional to 3,702.84, 5,554.24 and 1,105.68 is: 1,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.84 : 5,554.24 = 1,105.68 : x
  2. Step 2: Convert to fraction form
    3,702.84/5,554.24 = 1,105.68/x
  3. Step 3: Cross multiply
    3,702.84x = 5,554.24 × 1,105.68
  4. Step 4: Simplify right side
    3,702.84x = 6,141,212.08
  5. Step 5: Solve for x
    x = 6,141,212.08/3,702.84
  6. Step 6: Final answer
    x = 1,658.51

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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.