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Finding the Fourth Proportional to 5,069.99, 6,994.59 and 2,945.15

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Solution

The fourth proportional to 5,069.99, 6,994.59 and 2,945.15 is: 4,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,069.99 : 6,994.59 = 2,945.15 : x
  2. Step 2: Convert to fraction form
    5,069.99/6,994.59 = 2,945.15/x
  3. Step 3: Cross multiply
    5,069.99x = 6,994.59 × 2,945.15
  4. Step 4: Simplify right side
    5,069.99x = 20,600,116.74
  5. Step 5: Solve for x
    x = 20,600,116.74/5,069.99
  6. Step 6: Final answer
    x = 4,063.15

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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.