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Finding the Fourth Proportional to 4,868.92, 6,719.07 and 2,773

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Solution

The fourth proportional to 4,868.92, 6,719.07 and 2,773 is: 3,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.92 : 6,719.07 = 2,773 : x
  2. Step 2: Convert to fraction form
    4,868.92/6,719.07 = 2,773/x
  3. Step 3: Cross multiply
    4,868.92x = 6,719.07 × 2,773
  4. Step 4: Simplify right side
    4,868.92x = 18,631,981.11
  5. Step 5: Solve for x
    x = 18,631,981.11/4,868.92
  6. Step 6: Final answer
    x = 3,826.72

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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.