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Finding the Fourth Proportional to 8,449.98, 12,666.45 and 4,065.04

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Solution

The fourth proportional to 8,449.98, 12,666.45 and 4,065.04 is: 6,093.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.98 : 12,666.45 = 4,065.04 : x
  2. Step 2: Convert to fraction form
    8,449.98/12,666.45 = 4,065.04/x
  3. Step 3: Cross multiply
    8,449.98x = 12,666.45 × 4,065.04
  4. Step 4: Simplify right side
    8,449.98x = 51,489,625.91
  5. Step 5: Solve for x
    x = 51,489,625.91/8,449.98
  6. Step 6: Final answer
    x = 6,093.46

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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.