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Finding the Fourth Proportional to 8,783.25, 13,174.74 and 2,860.41

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Solution

The fourth proportional to 8,783.25, 13,174.74 and 2,860.41 is: 4,290.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.25 : 13,174.74 = 2,860.41 : x
  2. Step 2: Convert to fraction form
    8,783.25/13,174.74 = 2,860.41/x
  3. Step 3: Cross multiply
    8,783.25x = 13,174.74 × 2,860.41
  4. Step 4: Simplify right side
    8,783.25x = 37,685,158.04
  5. Step 5: Solve for x
    x = 37,685,158.04/8,783.25
  6. Step 6: Final answer
    x = 4,290.57

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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.