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Finding the Fourth Proportional to 8,804, 12,150.06 and 5,078

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Solution

The fourth proportional to 8,804, 12,150.06 and 5,078 is: 7,007.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804 : 12,150.06 = 5,078 : x
  2. Step 2: Convert to fraction form
    8,804/12,150.06 = 5,078/x
  3. Step 3: Cross multiply
    8,804x = 12,150.06 × 5,078
  4. Step 4: Simplify right side
    8,804x = 61,698,004.68
  5. Step 5: Solve for x
    x = 61,698,004.68/8,804
  6. Step 6: Final answer
    x = 7,007.95

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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.