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Finding the Fourth Proportional to 4,888.53, 7,326.30 and 2,668.32

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Solution

The fourth proportional to 4,888.53, 7,326.30 and 2,668.32 is: 3,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.53 : 7,326.30 = 2,668.32 : x
  2. Step 2: Convert to fraction form
    4,888.53/7,326.30 = 2,668.32/x
  3. Step 3: Cross multiply
    4,888.53x = 7,326.30 × 2,668.32
  4. Step 4: Simplify right side
    4,888.53x = 19,548,912.82
  5. Step 5: Solve for x
    x = 19,548,912.82/4,888.53
  6. Step 6: Final answer
    x = 3,998.93

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1.5x scale

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.