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Finding the Fourth Proportional to 8,852.80, 12,216.92 and 4,873.72

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Solution

The fourth proportional to 8,852.80, 12,216.92 and 4,873.72 is: 6,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.80 : 12,216.92 = 4,873.72 : x
  2. Step 2: Convert to fraction form
    8,852.80/12,216.92 = 4,873.72/x
  3. Step 3: Cross multiply
    8,852.80x = 12,216.92 × 4,873.72
  4. Step 4: Simplify right side
    8,852.80x = 59,541,847.34
  5. Step 5: Solve for x
    x = 59,541,847.34/8,852.80
  6. Step 6: Final answer
    x = 6,725.76

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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.