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Finding the Fourth Proportional to 3,782.54, 5,673.36 and 1,009.42

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Solution

The fourth proportional to 3,782.54, 5,673.36 and 1,009.42 is: 1,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.54 : 5,673.36 = 1,009.42 : x
  2. Step 2: Convert to fraction form
    3,782.54/5,673.36 = 1,009.42/x
  3. Step 3: Cross multiply
    3,782.54x = 5,673.36 × 1,009.42
  4. Step 4: Simplify right side
    3,782.54x = 5,726,803.05
  5. Step 5: Solve for x
    x = 5,726,803.05/3,782.54
  6. Step 6: Final answer
    x = 1,514.01

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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.