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Finding the Fourth Proportional to 3,467.54, 4,785.23 and 1,895.64

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Solution

The fourth proportional to 3,467.54, 4,785.23 and 1,895.64 is: 2,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,467.54 : 4,785.23 = 1,895.64 : x
  2. Step 2: Convert to fraction form
    3,467.54/4,785.23 = 1,895.64/x
  3. Step 3: Cross multiply
    3,467.54x = 4,785.23 × 1,895.64
  4. Step 4: Simplify right side
    3,467.54x = 9,071,054.44
  5. Step 5: Solve for x
    x = 9,071,054.44/3,467.54
  6. Step 6: Final answer
    x = 2,615.99

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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.