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Finding the Fourth Proportional to 8,656.94, 12,968.33 and 4,499.66

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Solution

The fourth proportional to 8,656.94, 12,968.33 and 4,499.66 is: 6,740.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656.94 : 12,968.33 = 4,499.66 : x
  2. Step 2: Convert to fraction form
    8,656.94/12,968.33 = 4,499.66/x
  3. Step 3: Cross multiply
    8,656.94x = 12,968.33 × 4,499.66
  4. Step 4: Simplify right side
    8,656.94x = 58,352,988.43
  5. Step 5: Solve for x
    x = 58,352,988.43/8,656.94
  6. Step 6: Final answer
    x = 6,740.61

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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.