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Finding the Fourth Proportional to 6,678.58, 9,220.19 and 4,443.50

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Solution

The fourth proportional to 6,678.58, 9,220.19 and 4,443.50 is: 6,134.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.58 : 9,220.19 = 4,443.50 : x
  2. Step 2: Convert to fraction form
    6,678.58/9,220.19 = 4,443.50/x
  3. Step 3: Cross multiply
    6,678.58x = 9,220.19 × 4,443.50
  4. Step 4: Simplify right side
    6,678.58x = 40,969,914.27
  5. Step 5: Solve for x
    x = 40,969,914.27/6,678.58
  6. Step 6: Final answer
    x = 6,134.52

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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.