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Finding the Fourth Proportional to 8,696.63, 12,001.21 and 4,717.67

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Solution

The fourth proportional to 8,696.63, 12,001.21 and 4,717.67 is: 6,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.63 : 12,001.21 = 4,717.67 : x
  2. Step 2: Convert to fraction form
    8,696.63/12,001.21 = 4,717.67/x
  3. Step 3: Cross multiply
    8,696.63x = 12,001.21 × 4,717.67
  4. Step 4: Simplify right side
    8,696.63x = 56,617,676.58
  5. Step 5: Solve for x
    x = 56,617,676.58/8,696.63
  6. Step 6: Final answer
    x = 6,510.30

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