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Finding the Fourth Proportional to 7,362.98, 11,042.88 and 2,431.46

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Solution

The fourth proportional to 7,362.98, 11,042.88 and 2,431.46 is: 3,646.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.98 : 11,042.88 = 2,431.46 : x
  2. Step 2: Convert to fraction form
    7,362.98/11,042.88 = 2,431.46/x
  3. Step 3: Cross multiply
    7,362.98x = 11,042.88 × 2,431.46
  4. Step 4: Simplify right side
    7,362.98x = 26,850,321.00
  5. Step 5: Solve for x
    x = 26,850,321.00/7,362.98
  6. Step 6: Final answer
    x = 3,646.66

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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.