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Finding the Fourth Proportional to 3,702.68, 5,553.12 and 1,622.60

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Solution

The fourth proportional to 3,702.68, 5,553.12 and 1,622.60 is: 2,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,702.68 : 5,553.12 = 1,622.60 : x
  2. Step 2: Convert to fraction form
    3,702.68/5,553.12 = 1,622.60/x
  3. Step 3: Cross multiply
    3,702.68x = 5,553.12 × 1,622.60
  4. Step 4: Simplify right side
    3,702.68x = 9,010,492.51
  5. Step 5: Solve for x
    x = 9,010,492.51/3,702.68
  6. Step 6: Final answer
    x = 2,433.51

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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.