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Finding the Fourth Proportional to 2,736.88, 3,774.76 and 2,422.48

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Solution

The fourth proportional to 2,736.88, 3,774.76 and 2,422.48 is: 3,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.88 : 3,774.76 = 2,422.48 : x
  2. Step 2: Convert to fraction form
    2,736.88/3,774.76 = 2,422.48/x
  3. Step 3: Cross multiply
    2,736.88x = 3,774.76 × 2,422.48
  4. Step 4: Simplify right side
    2,736.88x = 9,144,280.60
  5. Step 5: Solve for x
    x = 9,144,280.60/2,736.88
  6. Step 6: Final answer
    x = 3,341.13

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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.