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Finding the Fourth Proportional to 6,719.79, 10,028.86 and 6,544.83

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Solution

The fourth proportional to 6,719.79, 10,028.86 and 6,544.83 is: 9,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.79 : 10,028.86 = 6,544.83 : x
  2. Step 2: Convert to fraction form
    6,719.79/10,028.86 = 6,544.83/x
  3. Step 3: Cross multiply
    6,719.79x = 10,028.86 × 6,544.83
  4. Step 4: Simplify right side
    6,719.79x = 65,637,183.79
  5. Step 5: Solve for x
    x = 65,637,183.79/6,719.79
  6. Step 6: Final answer
    x = 9,767.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.