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Finding the Fourth Proportional to 2,159.37, 3,239.13 and 599.25

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Solution

The fourth proportional to 2,159.37, 3,239.13 and 599.25 is: 898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.37 : 3,239.13 = 599.25 : x
  2. Step 2: Convert to fraction form
    2,159.37/3,239.13 = 599.25/x
  3. Step 3: Cross multiply
    2,159.37x = 3,239.13 × 599.25
  4. Step 4: Simplify right side
    2,159.37x = 1,941,048.65
  5. Step 5: Solve for x
    x = 1,941,048.65/2,159.37
  6. Step 6: Final answer
    x = 898.90

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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.