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Finding the Fourth Proportional to 8,475.54, 11,696.94 and 4,699.89

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Solution

The fourth proportional to 8,475.54, 11,696.94 and 4,699.89 is: 6,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.54 : 11,696.94 = 4,699.89 : x
  2. Step 2: Convert to fraction form
    8,475.54/11,696.94 = 4,699.89/x
  3. Step 3: Cross multiply
    8,475.54x = 11,696.94 × 4,699.89
  4. Step 4: Simplify right side
    8,475.54x = 54,974,331.34
  5. Step 5: Solve for x
    x = 54,974,331.34/8,475.54
  6. Step 6: Final answer
    x = 6,486.23

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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.