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Finding the Fourth Proportional to 3,644.52, 5,465.52 and 1,178.70

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Solution

The fourth proportional to 3,644.52, 5,465.52 and 1,178.70 is: 1,767.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644.52 : 5,465.52 = 1,178.70 : x
  2. Step 2: Convert to fraction form
    3,644.52/5,465.52 = 1,178.70/x
  3. Step 3: Cross multiply
    3,644.52x = 5,465.52 × 1,178.70
  4. Step 4: Simplify right side
    3,644.52x = 6,442,208.42
  5. Step 5: Solve for x
    x = 6,442,208.42/3,644.52
  6. Step 6: Final answer
    x = 1,767.64

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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.