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Finding the Fourth Proportional to 4,855.08, 6,719.28 and 4,738.62

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Solution

The fourth proportional to 4,855.08, 6,719.28 and 4,738.62 is: 6,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,855.08 : 6,719.28 = 4,738.62 : x
  2. Step 2: Convert to fraction form
    4,855.08/6,719.28 = 4,738.62/x
  3. Step 3: Cross multiply
    4,855.08x = 6,719.28 × 4,738.62
  4. Step 4: Simplify right side
    4,855.08x = 31,840,114.59
  5. Step 5: Solve for x
    x = 31,840,114.59/4,855.08
  6. Step 6: Final answer
    x = 6,558.10

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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.