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Finding the Fourth Proportional to 8,806.51, 12,153.27 and 4,828.06

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Solution

The fourth proportional to 8,806.51, 12,153.27 and 4,828.06 is: 6,662.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.51 : 12,153.27 = 4,828.06 : x
  2. Step 2: Convert to fraction form
    8,806.51/12,153.27 = 4,828.06/x
  3. Step 3: Cross multiply
    8,806.51x = 12,153.27 × 4,828.06
  4. Step 4: Simplify right side
    8,806.51x = 58,676,716.76
  5. Step 5: Solve for x
    x = 58,676,716.76/8,806.51
  6. Step 6: Final answer
    x = 6,662.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.