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Finding the Fourth Proportional to 5,873.21, 8,809.99 and 1,490.66

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Solution

The fourth proportional to 5,873.21, 8,809.99 and 1,490.66 is: 2,236.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.21 : 8,809.99 = 1,490.66 : x
  2. Step 2: Convert to fraction form
    5,873.21/8,809.99 = 1,490.66/x
  3. Step 3: Cross multiply
    5,873.21x = 8,809.99 × 1,490.66
  4. Step 4: Simplify right side
    5,873.21x = 13,132,699.69
  5. Step 5: Solve for x
    x = 13,132,699.69/5,873.21
  6. Step 6: Final answer
    x = 2,236.03

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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.