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Finding the Fourth Proportional to 8,963.53, 13,447.00 and 4,283.90

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Solution

The fourth proportional to 8,963.53, 13,447.00 and 4,283.90 is: 6,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.53 : 13,447.00 = 4,283.90 : x
  2. Step 2: Convert to fraction form
    8,963.53/13,447.00 = 4,283.90/x
  3. Step 3: Cross multiply
    8,963.53x = 13,447.00 × 4,283.90
  4. Step 4: Simplify right side
    8,963.53x = 57,605,626.21
  5. Step 5: Solve for x
    x = 57,605,626.21/8,963.53
  6. Step 6: Final answer
    x = 6,426.67

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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.