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Finding the Fourth Proportional to 7,574.58, 11,359.17 and 2,643.03

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Solution

The fourth proportional to 7,574.58, 11,359.17 and 2,643.03 is: 3,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.58 : 11,359.17 = 2,643.03 : x
  2. Step 2: Convert to fraction form
    7,574.58/11,359.17 = 2,643.03/x
  3. Step 3: Cross multiply
    7,574.58x = 11,359.17 × 2,643.03
  4. Step 4: Simplify right side
    7,574.58x = 30,022,627.09
  5. Step 5: Solve for x
    x = 30,022,627.09/7,574.58
  6. Step 6: Final answer
    x = 3,963.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.