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Finding the Fourth Proportional to 8,544.58, 12,809.04 and 2,994.90

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Solution

The fourth proportional to 8,544.58, 12,809.04 and 2,994.90 is: 4,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.58 : 12,809.04 = 2,994.90 : x
  2. Step 2: Convert to fraction form
    8,544.58/12,809.04 = 2,994.90/x
  3. Step 3: Cross multiply
    8,544.58x = 12,809.04 × 2,994.90
  4. Step 4: Simplify right side
    8,544.58x = 38,361,734.63
  5. Step 5: Solve for x
    x = 38,361,734.63/8,544.58
  6. Step 6: Final answer
    x = 4,489.60

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1.5x scale

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.