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Finding the Fourth Proportional to 1,283.65, 1,924.02 and 797.04

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Solution

The fourth proportional to 1,283.65, 1,924.02 and 797.04 is: 1,194.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.65 : 1,924.02 = 797.04 : x
  2. Step 2: Convert to fraction form
    1,283.65/1,924.02 = 797.04/x
  3. Step 3: Cross multiply
    1,283.65x = 1,924.02 × 797.04
  4. Step 4: Simplify right side
    1,283.65x = 1,533,520.90
  5. Step 5: Solve for x
    x = 1,533,520.90/1,283.65
  6. Step 6: Final answer
    x = 1,194.66

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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.