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Finding the Fourth Proportional to 4,739.43, 7,106.99 and 2,275.41

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Solution

The fourth proportional to 4,739.43, 7,106.99 and 2,275.41 is: 3,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,739.43 : 7,106.99 = 2,275.41 : x
  2. Step 2: Convert to fraction form
    4,739.43/7,106.99 = 2,275.41/x
  3. Step 3: Cross multiply
    4,739.43x = 7,106.99 × 2,275.41
  4. Step 4: Simplify right side
    4,739.43x = 16,171,304.74
  5. Step 5: Solve for x
    x = 16,171,304.74/4,739.43
  6. Step 6: Final answer
    x = 3,412.08

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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.