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Finding the Fourth Proportional to 2,673.66, 3,693.74 and 2,136.47

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Solution

The fourth proportional to 2,673.66, 3,693.74 and 2,136.47 is: 2,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.66 : 3,693.74 = 2,136.47 : x
  2. Step 2: Convert to fraction form
    2,673.66/3,693.74 = 2,136.47/x
  3. Step 3: Cross multiply
    2,673.66x = 3,693.74 × 2,136.47
  4. Step 4: Simplify right side
    2,673.66x = 7,891,535.55
  5. Step 5: Solve for x
    x = 7,891,535.55/2,673.66
  6. Step 6: Final answer
    x = 2,951.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.