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Finding the Fourth Proportional to 6,451.74, 8,907.64 and 4,956.95

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Solution

The fourth proportional to 6,451.74, 8,907.64 and 4,956.95 is: 6,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.74 : 8,907.64 = 4,956.95 : x
  2. Step 2: Convert to fraction form
    6,451.74/8,907.64 = 4,956.95/x
  3. Step 3: Cross multiply
    6,451.74x = 8,907.64 × 4,956.95
  4. Step 4: Simplify right side
    6,451.74x = 44,154,735.97
  5. Step 5: Solve for x
    x = 44,154,735.97/6,451.74
  6. Step 6: Final answer
    x = 6,843.85

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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.