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Finding the Fourth Proportional to 8,592.08, 12,899 and 7,148.88

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Solution

The fourth proportional to 8,592.08, 12,899 and 7,148.88 is: 10,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.08 : 12,899 = 7,148.88 : x
  2. Step 2: Convert to fraction form
    8,592.08/12,899 = 7,148.88/x
  3. Step 3: Cross multiply
    8,592.08x = 12,899 × 7,148.88
  4. Step 4: Simplify right side
    8,592.08x = 92,213,403.12
  5. Step 5: Solve for x
    x = 92,213,403.12/8,592.08
  6. Step 6: Final answer
    x = 10,732.37

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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.