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Finding the Fourth Proportional to 3,359.76, 4,635.91 and 1,867.64

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Solution

The fourth proportional to 3,359.76, 4,635.91 and 1,867.64 is: 2,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,359.76 : 4,635.91 = 1,867.64 : x
  2. Step 2: Convert to fraction form
    3,359.76/4,635.91 = 1,867.64/x
  3. Step 3: Cross multiply
    3,359.76x = 4,635.91 × 1,867.64
  4. Step 4: Simplify right side
    3,359.76x = 8,658,210.95
  5. Step 5: Solve for x
    x = 8,658,210.95/3,359.76
  6. Step 6: Final answer
    x = 2,577.03

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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.