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Finding the Fourth Proportional to 8,664.04, 12,997.58 and 4,503.69

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Solution

The fourth proportional to 8,664.04, 12,997.58 and 4,503.69 is: 6,756.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.04 : 12,997.58 = 4,503.69 : x
  2. Step 2: Convert to fraction form
    8,664.04/12,997.58 = 4,503.69/x
  3. Step 3: Cross multiply
    8,664.04x = 12,997.58 × 4,503.69
  4. Step 4: Simplify right side
    8,664.04x = 58,537,071.07
  5. Step 5: Solve for x
    x = 58,537,071.07/8,664.04
  6. Step 6: Final answer
    x = 6,756.33

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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.