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Finding the Fourth Proportional to 1,453.79, 2,006.20 and 848.25

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Solution

The fourth proportional to 1,453.79, 2,006.20 and 848.25 is: 1,170.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.79 : 2,006.20 = 848.25 : x
  2. Step 2: Convert to fraction form
    1,453.79/2,006.20 = 848.25/x
  3. Step 3: Cross multiply
    1,453.79x = 2,006.20 × 848.25
  4. Step 4: Simplify right side
    1,453.79x = 1,701,754.03
  5. Step 5: Solve for x
    x = 1,701,754.03/1,453.79
  6. Step 6: Final answer
    x = 1,170.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.