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Finding the Fourth Proportional to 5,751.56, 8,623.02 and 2,974.52

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Solution

The fourth proportional to 5,751.56, 8,623.02 and 2,974.52 is: 4,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751.56 : 8,623.02 = 2,974.52 : x
  2. Step 2: Convert to fraction form
    5,751.56/8,623.02 = 2,974.52/x
  3. Step 3: Cross multiply
    5,751.56x = 8,623.02 × 2,974.52
  4. Step 4: Simplify right side
    5,751.56x = 25,649,345.45
  5. Step 5: Solve for x
    x = 25,649,345.45/5,751.56
  6. Step 6: Final answer
    x = 4,459.55

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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.