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Finding the Fourth Proportional to 7,993.98, 11,031.93 and 4,409.17

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Solution

The fourth proportional to 7,993.98, 11,031.93 and 4,409.17 is: 6,084.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,993.98 : 11,031.93 = 4,409.17 : x
  2. Step 2: Convert to fraction form
    7,993.98/11,031.93 = 4,409.17/x
  3. Step 3: Cross multiply
    7,993.98x = 11,031.93 × 4,409.17
  4. Step 4: Simplify right side
    7,993.98x = 48,641,627.22
  5. Step 5: Solve for x
    x = 48,641,627.22/7,993.98
  6. Step 6: Final answer
    x = 6,084.78

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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.