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Finding the Fourth Proportional to 4,272.39, 5,895.90 and 2,409.39

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Solution

The fourth proportional to 4,272.39, 5,895.90 and 2,409.39 is: 3,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.39 : 5,895.90 = 2,409.39 : x
  2. Step 2: Convert to fraction form
    4,272.39/5,895.90 = 2,409.39/x
  3. Step 3: Cross multiply
    4,272.39x = 5,895.90 × 2,409.39
  4. Step 4: Simplify right side
    4,272.39x = 14,205,522.50
  5. Step 5: Solve for x
    x = 14,205,522.50/4,272.39
  6. Step 6: Final answer
    x = 3,324.96

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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.