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Finding the Fourth Proportional to 4,365.66, 6,548.31 and 1,078.67

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Solution

The fourth proportional to 4,365.66, 6,548.31 and 1,078.67 is: 1,617.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,365.66 : 6,548.31 = 1,078.67 : x
  2. Step 2: Convert to fraction form
    4,365.66/6,548.31 = 1,078.67/x
  3. Step 3: Cross multiply
    4,365.66x = 6,548.31 × 1,078.67
  4. Step 4: Simplify right side
    4,365.66x = 7,063,481.92
  5. Step 5: Solve for x
    x = 7,063,481.92/4,365.66
  6. Step 6: Final answer
    x = 1,617.96

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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.