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Finding the Fourth Proportional to 7,490.51, 11,235.69 and 2,873.51

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Solution

The fourth proportional to 7,490.51, 11,235.69 and 2,873.51 is: 4,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.51 : 11,235.69 = 2,873.51 : x
  2. Step 2: Convert to fraction form
    7,490.51/11,235.69 = 2,873.51/x
  3. Step 3: Cross multiply
    7,490.51x = 11,235.69 × 2,873.51
  4. Step 4: Simplify right side
    7,490.51x = 32,285,811.39
  5. Step 5: Solve for x
    x = 32,285,811.39/7,490.51
  6. Step 6: Final answer
    x = 4,310.23

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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.