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Finding the Fourth Proportional to 8,265.78, 12,396.24 and 4,567.32

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Solution

The fourth proportional to 8,265.78, 12,396.24 and 4,567.32 is: 6,849.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.78 : 12,396.24 = 4,567.32 : x
  2. Step 2: Convert to fraction form
    8,265.78/12,396.24 = 4,567.32/x
  3. Step 3: Cross multiply
    8,265.78x = 12,396.24 × 4,567.32
  4. Step 4: Simplify right side
    8,265.78x = 56,617,594.88
  5. Step 5: Solve for x
    x = 56,617,594.88/8,265.78
  6. Step 6: Final answer
    x = 6,849.64

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1.5x scale

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.