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Finding the Fourth Proportional to 2,969.19, 4,453.27 and 888.63

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Solution

The fourth proportional to 2,969.19, 4,453.27 and 888.63 is: 1,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.19 : 4,453.27 = 888.63 : x
  2. Step 2: Convert to fraction form
    2,969.19/4,453.27 = 888.63/x
  3. Step 3: Cross multiply
    2,969.19x = 4,453.27 × 888.63
  4. Step 4: Simplify right side
    2,969.19x = 3,957,322.96
  5. Step 5: Solve for x
    x = 3,957,322.96/2,969.19
  6. Step 6: Final answer
    x = 1,332.80

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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.