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Finding the Fourth Proportional to 1,763.63, 2,643.51 and 884.73

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Solution

The fourth proportional to 1,763.63, 2,643.51 and 884.73 is: 1,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.63 : 2,643.51 = 884.73 : x
  2. Step 2: Convert to fraction form
    1,763.63/2,643.51 = 884.73/x
  3. Step 3: Cross multiply
    1,763.63x = 2,643.51 × 884.73
  4. Step 4: Simplify right side
    1,763.63x = 2,338,792.60
  5. Step 5: Solve for x
    x = 2,338,792.60/1,763.63
  6. Step 6: Final answer
    x = 1,326.13

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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.