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Finding the Fourth Proportional to 4,872.58, 7,299.15 and 3,019.30

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Solution

The fourth proportional to 4,872.58, 7,299.15 and 3,019.30 is: 4,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.58 : 7,299.15 = 3,019.30 : x
  2. Step 2: Convert to fraction form
    4,872.58/7,299.15 = 3,019.30/x
  3. Step 3: Cross multiply
    4,872.58x = 7,299.15 × 3,019.30
  4. Step 4: Simplify right side
    4,872.58x = 22,038,323.60
  5. Step 5: Solve for x
    x = 22,038,323.60/4,872.58
  6. Step 6: Final answer
    x = 4,522.93

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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.