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Finding the Fourth Proportional to 34,313.98, 51,479.30 and 10,940.40

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Solution

The fourth proportional to 34,313.98, 51,479.30 and 10,940.40 is: 16,413.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,313.98 : 51,479.30 = 10,940.40 : x
  2. Step 2: Convert to fraction form
    34,313.98/51,479.30 = 10,940.40/x
  3. Step 3: Cross multiply
    34,313.98x = 51,479.30 × 10,940.40
  4. Step 4: Simplify right side
    34,313.98x = 563,204,133.72
  5. Step 5: Solve for x
    x = 563,204,133.72/34,313.98
  6. Step 6: Final answer
    x = 16,413.26

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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.