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Finding the Fourth Proportional to 4,690.80, 7,035.60 and 2,093.12

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Solution

The fourth proportional to 4,690.80, 7,035.60 and 2,093.12 is: 3,139.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.80 : 7,035.60 = 2,093.12 : x
  2. Step 2: Convert to fraction form
    4,690.80/7,035.60 = 2,093.12/x
  3. Step 3: Cross multiply
    4,690.80x = 7,035.60 × 2,093.12
  4. Step 4: Simplify right side
    4,690.80x = 14,726,355.07
  5. Step 5: Solve for x
    x = 14,726,355.07/4,690.80
  6. Step 6: Final answer
    x = 3,139.41

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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.