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Finding the Fourth Proportional to 5,873.72, 8,810.40 and 2,362.64

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Solution

The fourth proportional to 5,873.72, 8,810.40 and 2,362.64 is: 3,543.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,873.72 : 8,810.40 = 2,362.64 : x
  2. Step 2: Convert to fraction form
    5,873.72/8,810.40 = 2,362.64/x
  3. Step 3: Cross multiply
    5,873.72x = 8,810.40 × 2,362.64
  4. Step 4: Simplify right side
    5,873.72x = 20,815,759.40
  5. Step 5: Solve for x
    x = 20,815,759.40/5,873.72
  6. Step 6: Final answer
    x = 3,543.88

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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.