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Finding the Fourth Proportional to 1,952.16, 2,926.50 and 719.27

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Solution

The fourth proportional to 1,952.16, 2,926.50 and 719.27 is: 1,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,952.16 : 2,926.50 = 719.27 : x
  2. Step 2: Convert to fraction form
    1,952.16/2,926.50 = 719.27/x
  3. Step 3: Cross multiply
    1,952.16x = 2,926.50 × 719.27
  4. Step 4: Simplify right side
    1,952.16x = 2,104,937.30
  5. Step 5: Solve for x
    x = 2,104,937.30/1,952.16
  6. Step 6: Final answer
    x = 1,078.26

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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.