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Finding the Fourth Proportional to 5,624.80, 8,444.40 and 2,994.40

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Solution

The fourth proportional to 5,624.80, 8,444.40 and 2,994.40 is: 4,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.80 : 8,444.40 = 2,994.40 : x
  2. Step 2: Convert to fraction form
    5,624.80/8,444.40 = 2,994.40/x
  3. Step 3: Cross multiply
    5,624.80x = 8,444.40 × 2,994.40
  4. Step 4: Simplify right side
    5,624.80x = 25,285,911.36
  5. Step 5: Solve for x
    x = 25,285,911.36/5,624.80
  6. Step 6: Final answer
    x = 4,495.43

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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.