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Finding the Fourth Proportional to 1,732.99, 2,596.00 and 807.31

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Solution

The fourth proportional to 1,732.99, 2,596.00 and 807.31 is: 1,209.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.99 : 2,596.00 = 807.31 : x
  2. Step 2: Convert to fraction form
    1,732.99/2,596.00 = 807.31/x
  3. Step 3: Cross multiply
    1,732.99x = 2,596.00 × 807.31
  4. Step 4: Simplify right side
    1,732.99x = 2,095,771.28
  5. Step 5: Solve for x
    x = 2,095,771.28/1,732.99
  6. Step 6: Final answer
    x = 1,209.34

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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.