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Finding the Fourth Proportional to 5,510.51, 7,604.51 and 2,992.61

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Solution

The fourth proportional to 5,510.51, 7,604.51 and 2,992.61 is: 4,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.51 : 7,604.51 = 2,992.61 : x
  2. Step 2: Convert to fraction form
    5,510.51/7,604.51 = 2,992.61/x
  3. Step 3: Cross multiply
    5,510.51x = 7,604.51 × 2,992.61
  4. Step 4: Simplify right side
    5,510.51x = 22,757,336.72
  5. Step 5: Solve for x
    x = 22,757,336.72/5,510.51
  6. Step 6: Final answer
    x = 4,129.81

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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.