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Finding the Fourth Proportional to 1,747.65, 2,619.03 and 968.01

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Solution

The fourth proportional to 1,747.65, 2,619.03 and 968.01 is: 1,450.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.65 : 2,619.03 = 968.01 : x
  2. Step 2: Convert to fraction form
    1,747.65/2,619.03 = 968.01/x
  3. Step 3: Cross multiply
    1,747.65x = 2,619.03 × 968.01
  4. Step 4: Simplify right side
    1,747.65x = 2,535,247.23
  5. Step 5: Solve for x
    x = 2,535,247.23/1,747.65
  6. Step 6: Final answer
    x = 1,450.66

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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.