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Finding the Fourth Proportional to 4,454.64, 6,173.46 and 4,392

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Solution

The fourth proportional to 4,454.64, 6,173.46 and 4,392 is: 6,086.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.64 : 6,173.46 = 4,392 : x
  2. Step 2: Convert to fraction form
    4,454.64/6,173.46 = 4,392/x
  3. Step 3: Cross multiply
    4,454.64x = 6,173.46 × 4,392
  4. Step 4: Simplify right side
    4,454.64x = 27,113,836.32
  5. Step 5: Solve for x
    x = 27,113,836.32/4,454.64
  6. Step 6: Final answer
    x = 6,086.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.