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Finding the Fourth Proportional to 2,794.59, 4,185.63 and 2,173.50

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Solution

The fourth proportional to 2,794.59, 4,185.63 and 2,173.50 is: 3,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.59 : 4,185.63 = 2,173.50 : x
  2. Step 2: Convert to fraction form
    2,794.59/4,185.63 = 2,173.50/x
  3. Step 3: Cross multiply
    2,794.59x = 4,185.63 × 2,173.50
  4. Step 4: Simplify right side
    2,794.59x = 9,097,466.81
  5. Step 5: Solve for x
    x = 9,097,466.81/2,794.59
  6. Step 6: Final answer
    x = 3,255.39

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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.