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Finding the Fourth Proportional to 5,661.41, 8,481.07 and 3,707.69

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Solution

The fourth proportional to 5,661.41, 8,481.07 and 3,707.69 is: 5,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.41 : 8,481.07 = 3,707.69 : x
  2. Step 2: Convert to fraction form
    5,661.41/8,481.07 = 3,707.69/x
  3. Step 3: Cross multiply
    5,661.41x = 8,481.07 × 3,707.69
  4. Step 4: Simplify right side
    5,661.41x = 31,445,159.89
  5. Step 5: Solve for x
    x = 31,445,159.89/5,661.41
  6. Step 6: Final answer
    x = 5,554.30

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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.