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Finding the Fourth Proportional to 5,873.08, 8,809.64 and 1,490.54

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Solution

The fourth proportional to 5,873.08, 8,809.64 and 1,490.54 is: 2,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.08 : 8,809.64 = 1,490.54 : x
  2. Step 2: Convert to fraction form
    5,873.08/8,809.64 = 1,490.54/x
  3. Step 3: Cross multiply
    5,873.08x = 8,809.64 × 1,490.54
  4. Step 4: Simplify right side
    5,873.08x = 13,131,120.81
  5. Step 5: Solve for x
    x = 13,131,120.81/5,873.08
  6. Step 6: Final answer
    x = 2,235.82

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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.