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Finding the Fourth Proportional to 9,322.97, 13,990.59 and 4,394.00

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Solution

The fourth proportional to 9,322.97, 13,990.59 and 4,394.00 is: 6,593.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.97 : 13,990.59 = 4,394.00 : x
  2. Step 2: Convert to fraction form
    9,322.97/13,990.59 = 4,394.00/x
  3. Step 3: Cross multiply
    9,322.97x = 13,990.59 × 4,394.00
  4. Step 4: Simplify right side
    9,322.97x = 61,474,687.44
  5. Step 5: Solve for x
    x = 61,474,687.44/9,322.97
  6. Step 6: Final answer
    x = 6,593.90

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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.