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Finding the Fourth Proportional to 1,834.65, 2,752.38 and 968.76

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Solution

The fourth proportional to 1,834.65, 2,752.38 and 968.76 is: 1,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834.65 : 2,752.38 = 968.76 : x
  2. Step 2: Convert to fraction form
    1,834.65/2,752.38 = 968.76/x
  3. Step 3: Cross multiply
    1,834.65x = 2,752.38 × 968.76
  4. Step 4: Simplify right side
    1,834.65x = 2,666,395.65
  5. Step 5: Solve for x
    x = 2,666,395.65/1,834.65
  6. Step 6: Final answer
    x = 1,453.35

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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.