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Finding the Fourth Proportional to 7,219.67, 10,828.42 and 5,994.95

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Solution

The fourth proportional to 7,219.67, 10,828.42 and 5,994.95 is: 8,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.67 : 10,828.42 = 5,994.95 : x
  2. Step 2: Convert to fraction form
    7,219.67/10,828.42 = 5,994.95/x
  3. Step 3: Cross multiply
    7,219.67x = 10,828.42 × 5,994.95
  4. Step 4: Simplify right side
    7,219.67x = 64,915,767.35
  5. Step 5: Solve for x
    x = 64,915,767.35/7,219.67
  6. Step 6: Final answer
    x = 8,991.52

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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.