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Finding the Fourth Proportional to 2,703.44, 3,728.76 and 2,040.32

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Solution

The fourth proportional to 2,703.44, 3,728.76 and 2,040.32 is: 2,814.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.44 : 3,728.76 = 2,040.32 : x
  2. Step 2: Convert to fraction form
    2,703.44/3,728.76 = 2,040.32/x
  3. Step 3: Cross multiply
    2,703.44x = 3,728.76 × 2,040.32
  4. Step 4: Simplify right side
    2,703.44x = 7,607,863.60
  5. Step 5: Solve for x
    x = 7,607,863.60/2,703.44
  6. Step 6: Final answer
    x = 2,814.14

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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.