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Finding the Fourth Proportional to 8,763.28, 13,142.94 and 2,523.28

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Solution

The fourth proportional to 8,763.28, 13,142.94 and 2,523.28 is: 3,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.28 : 13,142.94 = 2,523.28 : x
  2. Step 2: Convert to fraction form
    8,763.28/13,142.94 = 2,523.28/x
  3. Step 3: Cross multiply
    8,763.28x = 13,142.94 × 2,523.28
  4. Step 4: Simplify right side
    8,763.28x = 33,163,317.64
  5. Step 5: Solve for x
    x = 33,163,317.64/8,763.28
  6. Step 6: Final answer
    x = 3,784.35

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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.