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Finding the Fourth Proportional to 1,700.81, 2,550.05 and 589.94

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Solution

The fourth proportional to 1,700.81, 2,550.05 and 589.94 is: 884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.81 : 2,550.05 = 589.94 : x
  2. Step 2: Convert to fraction form
    1,700.81/2,550.05 = 589.94/x
  3. Step 3: Cross multiply
    1,700.81x = 2,550.05 × 589.94
  4. Step 4: Simplify right side
    1,700.81x = 1,504,376.50
  5. Step 5: Solve for x
    x = 1,504,376.50/1,700.81
  6. Step 6: Final answer
    x = 884.51

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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.