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Finding the Fourth Proportional to 7,208.58, 10,786.08 and 6,326.94

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Solution

The fourth proportional to 7,208.58, 10,786.08 and 6,326.94 is: 9,466.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.58 : 10,786.08 = 6,326.94 : x
  2. Step 2: Convert to fraction form
    7,208.58/10,786.08 = 6,326.94/x
  3. Step 3: Cross multiply
    7,208.58x = 10,786.08 × 6,326.94
  4. Step 4: Simplify right side
    7,208.58x = 68,242,881.00
  5. Step 5: Solve for x
    x = 68,242,881.00/7,208.58
  6. Step 6: Final answer
    x = 9,466.90

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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.