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Finding the Fourth Proportional to 4,661.76, 6,992.70 and 1,739.46

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Solution

The fourth proportional to 4,661.76, 6,992.70 and 1,739.46 is: 2,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.76 : 6,992.70 = 1,739.46 : x
  2. Step 2: Convert to fraction form
    4,661.76/6,992.70 = 1,739.46/x
  3. Step 3: Cross multiply
    4,661.76x = 6,992.70 × 1,739.46
  4. Step 4: Simplify right side
    4,661.76x = 12,163,521.94
  5. Step 5: Solve for x
    x = 12,163,521.94/4,661.76
  6. Step 6: Final answer
    x = 2,609.21

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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.