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Finding the Fourth Proportional to 4,653.78, 6,422.22 and 2,529.30

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Solution

The fourth proportional to 4,653.78, 6,422.22 and 2,529.30 is: 3,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.78 : 6,422.22 = 2,529.30 : x
  2. Step 2: Convert to fraction form
    4,653.78/6,422.22 = 2,529.30/x
  3. Step 3: Cross multiply
    4,653.78x = 6,422.22 × 2,529.30
  4. Step 4: Simplify right side
    4,653.78x = 16,243,721.05
  5. Step 5: Solve for x
    x = 16,243,721.05/4,653.78
  6. Step 6: Final answer
    x = 3,490.44

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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.