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Finding the Fourth Proportional to 4,679.04, 7,019.84 and 1,559.55

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Solution

The fourth proportional to 4,679.04, 7,019.84 and 1,559.55 is: 2,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.04 : 7,019.84 = 1,559.55 : x
  2. Step 2: Convert to fraction form
    4,679.04/7,019.84 = 1,559.55/x
  3. Step 3: Cross multiply
    4,679.04x = 7,019.84 × 1,559.55
  4. Step 4: Simplify right side
    4,679.04x = 10,947,783.67
  5. Step 5: Solve for x
    x = 10,947,783.67/4,679.04
  6. Step 6: Final answer
    x = 2,339.75

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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.