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Finding the Fourth Proportional to 4,782.52, 6,603.78 and 4,067.32

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Solution

The fourth proportional to 4,782.52, 6,603.78 and 4,067.32 is: 5,616.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.52 : 6,603.78 = 4,067.32 : x
  2. Step 2: Convert to fraction form
    4,782.52/6,603.78 = 4,067.32/x
  3. Step 3: Cross multiply
    4,782.52x = 6,603.78 × 4,067.32
  4. Step 4: Simplify right side
    4,782.52x = 26,859,686.47
  5. Step 5: Solve for x
    x = 26,859,686.47/4,782.52
  6. Step 6: Final answer
    x = 5,616.22

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1.5x scale

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.