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Finding the Fourth Proportional to 7,339.77, 11,012.79 and 3,832.40

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Solution

The fourth proportional to 7,339.77, 11,012.79 and 3,832.40 is: 5,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,339.77 : 11,012.79 = 3,832.40 : x
  2. Step 2: Convert to fraction form
    7,339.77/11,012.79 = 3,832.40/x
  3. Step 3: Cross multiply
    7,339.77x = 11,012.79 × 3,832.40
  4. Step 4: Simplify right side
    7,339.77x = 42,205,361.33
  5. Step 5: Solve for x
    x = 42,205,361.33/7,339.77
  6. Step 6: Final answer
    x = 5,750.23

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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.