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Finding the Fourth Proportional to 4,869.04, 6,719.22 and 2,773

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Solution

The fourth proportional to 4,869.04, 6,719.22 and 2,773 is: 3,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.04 : 6,719.22 = 2,773 : x
  2. Step 2: Convert to fraction form
    4,869.04/6,719.22 = 2,773/x
  3. Step 3: Cross multiply
    4,869.04x = 6,719.22 × 2,773
  4. Step 4: Simplify right side
    4,869.04x = 18,632,397.06
  5. Step 5: Solve for x
    x = 18,632,397.06/4,869.04
  6. Step 6: Final answer
    x = 3,826.71

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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.