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Finding the Fourth Proportional to 6,568.32, 9,856.32 and 6,515.52

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Solution

The fourth proportional to 6,568.32, 9,856.32 and 6,515.52 is: 9,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,568.32 : 9,856.32 = 6,515.52 : x
  2. Step 2: Convert to fraction form
    6,568.32/9,856.32 = 6,515.52/x
  3. Step 3: Cross multiply
    6,568.32x = 9,856.32 × 6,515.52
  4. Step 4: Simplify right side
    6,568.32x = 64,219,050.09
  5. Step 5: Solve for x
    x = 64,219,050.09/6,568.32
  6. Step 6: Final answer
    x = 9,777.09

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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.