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Finding the Fourth Proportional to 8,828.30, 13,235.70 and 4,448.90

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Solution

The fourth proportional to 8,828.30, 13,235.70 and 4,448.90 is: 6,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.30 : 13,235.70 = 4,448.90 : x
  2. Step 2: Convert to fraction form
    8,828.30/13,235.70 = 4,448.90/x
  3. Step 3: Cross multiply
    8,828.30x = 13,235.70 × 4,448.90
  4. Step 4: Simplify right side
    8,828.30x = 58,884,305.73
  5. Step 5: Solve for x
    x = 58,884,305.73/8,828.30
  6. Step 6: Final answer
    x = 6,669.95

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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.