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Finding the Fourth Proportional to 7,263.48, 10,877.94 and 4,179

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Solution

The fourth proportional to 7,263.48, 10,877.94 and 4,179 is: 6,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,263.48 : 10,877.94 = 4,179 : x
  2. Step 2: Convert to fraction form
    7,263.48/10,877.94 = 4,179/x
  3. Step 3: Cross multiply
    7,263.48x = 10,877.94 × 4,179
  4. Step 4: Simplify right side
    7,263.48x = 45,458,911.26
  5. Step 5: Solve for x
    x = 45,458,911.26/7,263.48
  6. Step 6: Final answer
    x = 6,258.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.