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Finding the Fourth Proportional to 3,539.74, 4,884.99 and 1,967.74

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Solution

The fourth proportional to 3,539.74, 4,884.99 and 1,967.74 is: 2,715.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.74 : 4,884.99 = 1,967.74 : x
  2. Step 2: Convert to fraction form
    3,539.74/4,884.99 = 1,967.74/x
  3. Step 3: Cross multiply
    3,539.74x = 4,884.99 × 1,967.74
  4. Step 4: Simplify right side
    3,539.74x = 9,612,390.22
  5. Step 5: Solve for x
    x = 9,612,390.22/3,539.74
  6. Step 6: Final answer
    x = 2,715.56

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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.