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Finding the Fourth Proportional to 8,541.41, 12,813.35 and 2,696.67

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Solution

The fourth proportional to 8,541.41, 12,813.35 and 2,696.67 is: 4,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.41 : 12,813.35 = 2,696.67 : x
  2. Step 2: Convert to fraction form
    8,541.41/12,813.35 = 2,696.67/x
  3. Step 3: Cross multiply
    8,541.41x = 12,813.35 × 2,696.67
  4. Step 4: Simplify right side
    8,541.41x = 34,553,363.06
  5. Step 5: Solve for x
    x = 34,553,363.06/8,541.41
  6. Step 6: Final answer
    x = 4,045.40

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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.