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Finding the Fourth Proportional to 6,927.97, 9,554.10 and 5,516.31

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Solution

The fourth proportional to 6,927.97, 9,554.10 and 5,516.31 is: 7,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.97 : 9,554.10 = 5,516.31 : x
  2. Step 2: Convert to fraction form
    6,927.97/9,554.10 = 5,516.31/x
  3. Step 3: Cross multiply
    6,927.97x = 9,554.10 × 5,516.31
  4. Step 4: Simplify right side
    6,927.97x = 52,703,377.37
  5. Step 5: Solve for x
    x = 52,703,377.37/6,927.97
  6. Step 6: Final answer
    x = 7,607.33

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1.5x scale

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.