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Finding the Fourth Proportional to 8,762.28, 13,141.44 and 2,522.28

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Solution

The fourth proportional to 8,762.28, 13,141.44 and 2,522.28 is: 3,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762.28 : 13,141.44 = 2,522.28 : x
  2. Step 2: Convert to fraction form
    8,762.28/13,141.44 = 2,522.28/x
  3. Step 3: Cross multiply
    8,762.28x = 13,141.44 × 2,522.28
  4. Step 4: Simplify right side
    8,762.28x = 33,146,391.28
  5. Step 5: Solve for x
    x = 33,146,391.28/8,762.28
  6. Step 6: Final answer
    x = 3,782.85

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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.