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Finding the Fourth Proportional to 6,888.54, 9,506.01 and 3,904.50

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Solution

The fourth proportional to 6,888.54, 9,506.01 and 3,904.50 is: 5,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.54 : 9,506.01 = 3,904.50 : x
  2. Step 2: Convert to fraction form
    6,888.54/9,506.01 = 3,904.50/x
  3. Step 3: Cross multiply
    6,888.54x = 9,506.01 × 3,904.50
  4. Step 4: Simplify right side
    6,888.54x = 37,116,244.37
  5. Step 5: Solve for x
    x = 37,116,244.37/6,888.54
  6. Step 6: Final answer
    x = 5,388.11

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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.