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Finding the Fourth Proportional to 8,758.47, 13,130.20 and 3,824.49

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Solution

The fourth proportional to 8,758.47, 13,130.20 and 3,824.49 is: 5,733.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.47 : 13,130.20 = 3,824.49 : x
  2. Step 2: Convert to fraction form
    8,758.47/13,130.20 = 3,824.49/x
  3. Step 3: Cross multiply
    8,758.47x = 13,130.20 × 3,824.49
  4. Step 4: Simplify right side
    8,758.47x = 50,216,318.60
  5. Step 5: Solve for x
    x = 50,216,318.60/8,758.47
  6. Step 6: Final answer
    x = 5,733.46

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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.