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Finding the Fourth Proportional to 9,338.92, 14,003.58 and 2,764.28

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Solution

The fourth proportional to 9,338.92, 14,003.58 and 2,764.28 is: 4,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.92 : 14,003.58 = 2,764.28 : x
  2. Step 2: Convert to fraction form
    9,338.92/14,003.58 = 2,764.28/x
  3. Step 3: Cross multiply
    9,338.92x = 14,003.58 × 2,764.28
  4. Step 4: Simplify right side
    9,338.92x = 38,709,816.12
  5. Step 5: Solve for x
    x = 38,709,816.12/9,338.92
  6. Step 6: Final answer
    x = 4,145.00

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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.