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Finding the Fourth Proportional to 9,403.94, 14,115.83 and 9,192.12

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Solution

The fourth proportional to 9,403.94, 14,115.83 and 9,192.12 is: 13,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.94 : 14,115.83 = 9,192.12 : x
  2. Step 2: Convert to fraction form
    9,403.94/14,115.83 = 9,192.12/x
  3. Step 3: Cross multiply
    9,403.94x = 14,115.83 × 9,192.12
  4. Step 4: Simplify right side
    9,403.94x = 129,754,357.30
  5. Step 5: Solve for x
    x = 129,754,357.30/9,403.94
  6. Step 6: Final answer
    x = 13,797.88

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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.