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Finding the Fourth Proportional to 8,410.46, 12,623.48 and 4,253.41

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Solution

The fourth proportional to 8,410.46, 12,623.48 and 4,253.41 is: 6,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.46 : 12,623.48 = 4,253.41 : x
  2. Step 2: Convert to fraction form
    8,410.46/12,623.48 = 4,253.41/x
  3. Step 3: Cross multiply
    8,410.46x = 12,623.48 × 4,253.41
  4. Step 4: Simplify right side
    8,410.46x = 53,692,836.07
  5. Step 5: Solve for x
    x = 53,692,836.07/8,410.46
  6. Step 6: Final answer
    x = 6,384.05

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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.