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Finding the Fourth Proportional to 1,296.76, 1,943.79 and 566.14

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Solution

The fourth proportional to 1,296.76, 1,943.79 and 566.14 is: 848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.76 : 1,943.79 = 566.14 : x
  2. Step 2: Convert to fraction form
    1,296.76/1,943.79 = 566.14/x
  3. Step 3: Cross multiply
    1,296.76x = 1,943.79 × 566.14
  4. Step 4: Simplify right side
    1,296.76x = 1,100,457.27
  5. Step 5: Solve for x
    x = 1,100,457.27/1,296.76
  6. Step 6: Final answer
    x = 848.62

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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.