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Finding the Fourth Proportional to 2,703.63, 4,055.47 and 2,311.08

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Solution

The fourth proportional to 2,703.63, 4,055.47 and 2,311.08 is: 3,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.63 : 4,055.47 = 2,311.08 : x
  2. Step 2: Convert to fraction form
    2,703.63/4,055.47 = 2,311.08/x
  3. Step 3: Cross multiply
    2,703.63x = 4,055.47 × 2,311.08
  4. Step 4: Simplify right side
    2,703.63x = 9,372,517.43
  5. Step 5: Solve for x
    x = 9,372,517.43/2,703.63
  6. Step 6: Final answer
    x = 3,466.64

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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.