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Finding the Fourth Proportional to 6,568.54, 9,848.84 and 2,620.40

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Solution

The fourth proportional to 6,568.54, 9,848.84 and 2,620.40 is: 3,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,568.54 : 9,848.84 = 2,620.40 : x
  2. Step 2: Convert to fraction form
    6,568.54/9,848.84 = 2,620.40/x
  3. Step 3: Cross multiply
    6,568.54x = 9,848.84 × 2,620.40
  4. Step 4: Simplify right side
    6,568.54x = 25,807,908.13
  5. Step 5: Solve for x
    x = 25,807,908.13/6,568.54
  6. Step 6: Final answer
    x = 3,929.02

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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.