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Finding the Fourth Proportional to 7,696.66, 11,535.88 and 3,533.16

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Solution

The fourth proportional to 7,696.66, 11,535.88 and 3,533.16 is: 5,295.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.66 : 11,535.88 = 3,533.16 : x
  2. Step 2: Convert to fraction form
    7,696.66/11,535.88 = 3,533.16/x
  3. Step 3: Cross multiply
    7,696.66x = 11,535.88 × 3,533.16
  4. Step 4: Simplify right side
    7,696.66x = 40,758,109.78
  5. Step 5: Solve for x
    x = 40,758,109.78/7,696.66
  6. Step 6: Final answer
    x = 5,295.56

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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.