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Finding the Fourth Proportional to 2,771.32, 4,152.64 and 1,743.16

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Solution

The fourth proportional to 2,771.32, 4,152.64 and 1,743.16 is: 2,612.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.32 : 4,152.64 = 1,743.16 : x
  2. Step 2: Convert to fraction form
    2,771.32/4,152.64 = 1,743.16/x
  3. Step 3: Cross multiply
    2,771.32x = 4,152.64 × 1,743.16
  4. Step 4: Simplify right side
    2,771.32x = 7,238,715.94
  5. Step 5: Solve for x
    x = 7,238,715.94/2,771.32
  6. Step 6: Final answer
    x = 2,612.01

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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.