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Finding the Fourth Proportional to 8,804.60, 12,150 and 4,825.68

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Solution

The fourth proportional to 8,804.60, 12,150 and 4,825.68 is: 6,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.60 : 12,150 = 4,825.68 : x
  2. Step 2: Convert to fraction form
    8,804.60/12,150 = 4,825.68/x
  3. Step 3: Cross multiply
    8,804.60x = 12,150 × 4,825.68
  4. Step 4: Simplify right side
    8,804.60x = 58,631,966.44
  5. Step 5: Solve for x
    x = 58,631,966.44/8,804.60
  6. Step 6: Final answer
    x = 6,659.24

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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.