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Finding the Fourth Proportional to 5,405.66, 7,454.12 and 4,269.44

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Solution

The fourth proportional to 5,405.66, 7,454.12 and 4,269.44 is: 5,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.66 : 7,454.12 = 4,269.44 : x
  2. Step 2: Convert to fraction form
    5,405.66/7,454.12 = 4,269.44/x
  3. Step 3: Cross multiply
    5,405.66x = 7,454.12 × 4,269.44
  4. Step 4: Simplify right side
    5,405.66x = 31,824,859.48
  5. Step 5: Solve for x
    x = 31,824,859.48/5,405.66
  6. Step 6: Final answer
    x = 5,887.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.