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Finding the Fourth Proportional to 2,848.62, 4,273.55 and 874.25

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Solution

The fourth proportional to 2,848.62, 4,273.55 and 874.25 is: 1,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.62 : 4,273.55 = 874.25 : x
  2. Step 2: Convert to fraction form
    2,848.62/4,273.55 = 874.25/x
  3. Step 3: Cross multiply
    2,848.62x = 4,273.55 × 874.25
  4. Step 4: Simplify right side
    2,848.62x = 3,736,151.09
  5. Step 5: Solve for x
    x = 3,736,151.09/2,848.62
  6. Step 6: Final answer
    x = 1,311.57

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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.