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Finding the Fourth Proportional to 6,672.54, 9,208.37 and 4,430.55

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Solution

The fourth proportional to 6,672.54, 9,208.37 and 4,430.55 is: 6,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.54 : 9,208.37 = 4,430.55 : x
  2. Step 2: Convert to fraction form
    6,672.54/9,208.37 = 4,430.55/x
  3. Step 3: Cross multiply
    6,672.54x = 9,208.37 × 4,430.55
  4. Step 4: Simplify right side
    6,672.54x = 40,798,121.55
  5. Step 5: Solve for x
    x = 40,798,121.55/6,672.54
  6. Step 6: Final answer
    x = 6,114.33

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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.