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Finding the Fourth Proportional to 7,653.30, 11,480.22 and 2,458.50

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Solution

The fourth proportional to 7,653.30, 11,480.22 and 2,458.50 is: 3,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.30 : 11,480.22 = 2,458.50 : x
  2. Step 2: Convert to fraction form
    7,653.30/11,480.22 = 2,458.50/x
  3. Step 3: Cross multiply
    7,653.30x = 11,480.22 × 2,458.50
  4. Step 4: Simplify right side
    7,653.30x = 28,224,120.87
  5. Step 5: Solve for x
    x = 28,224,120.87/7,653.30
  6. Step 6: Final answer
    x = 3,687.84

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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.