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Finding the Fourth Proportional to 8,804.86, 12,150.64 and 4,825.90

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Solution

The fourth proportional to 8,804.86, 12,150.64 and 4,825.90 is: 6,659.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,804.86 : 12,150.64 = 4,825.90 : x
  2. Step 2: Convert to fraction form
    8,804.86/12,150.64 = 4,825.90/x
  3. Step 3: Cross multiply
    8,804.86x = 12,150.64 × 4,825.90
  4. Step 4: Simplify right side
    8,804.86x = 58,637,773.58
  5. Step 5: Solve for x
    x = 58,637,773.58/8,804.86
  6. Step 6: Final answer
    x = 6,659.71

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1.5x scale

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.