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Finding the Fourth Proportional to 3,305.52, 4,957.51 and 965.03

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Solution

The fourth proportional to 3,305.52, 4,957.51 and 965.03 is: 1,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.52 : 4,957.51 = 965.03 : x
  2. Step 2: Convert to fraction form
    3,305.52/4,957.51 = 965.03/x
  3. Step 3: Cross multiply
    3,305.52x = 4,957.51 × 965.03
  4. Step 4: Simplify right side
    3,305.52x = 4,784,131.07
  5. Step 5: Solve for x
    x = 4,784,131.07/3,305.52
  6. Step 6: Final answer
    x = 1,447.32

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1.5x scale

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.