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Finding the Fourth Proportional to 8,247.88, 12,360.30 and 4,551.88

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Solution

The fourth proportional to 8,247.88, 12,360.30 and 4,551.88 is: 6,821.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.88 : 12,360.30 = 4,551.88 : x
  2. Step 2: Convert to fraction form
    8,247.88/12,360.30 = 4,551.88/x
  3. Step 3: Cross multiply
    8,247.88x = 12,360.30 × 4,551.88
  4. Step 4: Simplify right side
    8,247.88x = 56,262,602.36
  5. Step 5: Solve for x
    x = 56,262,602.36/8,247.88
  6. Step 6: Final answer
    x = 6,821.46

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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.