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Finding the Fourth Proportional to 9,940.98, 14,918.76 and 5,566.98

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Solution

The fourth proportional to 9,940.98, 14,918.76 and 5,566.98 is: 8,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,940.98 : 14,918.76 = 5,566.98 : x
  2. Step 2: Convert to fraction form
    9,940.98/14,918.76 = 5,566.98/x
  3. Step 3: Cross multiply
    9,940.98x = 14,918.76 × 5,566.98
  4. Step 4: Simplify right side
    9,940.98x = 83,052,438.54
  5. Step 5: Solve for x
    x = 83,052,438.54/9,940.98
  6. Step 6: Final answer
    x = 8,354.55

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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.