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Finding the Fourth Proportional to 8,673.55, 12,996.70 and 6,704.00

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Solution

The fourth proportional to 8,673.55, 12,996.70 and 6,704.00 is: 10,045.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.55 : 12,996.70 = 6,704.00 : x
  2. Step 2: Convert to fraction form
    8,673.55/12,996.70 = 6,704.00/x
  3. Step 3: Cross multiply
    8,673.55x = 12,996.70 × 6,704.00
  4. Step 4: Simplify right side
    8,673.55x = 87,129,909.29
  5. Step 5: Solve for x
    x = 87,129,909.29/8,673.55
  6. Step 6: Final answer
    x = 10,045.47

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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.