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Finding the Fourth Proportional to 5,463.74, 7,542.52 and 3,578.06

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Solution

The fourth proportional to 5,463.74, 7,542.52 and 3,578.06 is: 4,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,463.74 : 7,542.52 = 3,578.06 : x
  2. Step 2: Convert to fraction form
    5,463.74/7,542.52 = 3,578.06/x
  3. Step 3: Cross multiply
    5,463.74x = 7,542.52 × 3,578.06
  4. Step 4: Simplify right side
    5,463.74x = 26,987,589.11
  5. Step 5: Solve for x
    x = 26,987,589.11/5,463.74
  6. Step 6: Final answer
    x = 4,939.40

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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.