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Finding the Fourth Proportional to 8,706.03, 13,076.87 and 5,748.81

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Solution

The fourth proportional to 8,706.03, 13,076.87 and 5,748.81 is: 8,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,706.03 : 13,076.87 = 5,748.81 : x
  2. Step 2: Convert to fraction form
    8,706.03/13,076.87 = 5,748.81/x
  3. Step 3: Cross multiply
    8,706.03x = 13,076.87 × 5,748.81
  4. Step 4: Simplify right side
    8,706.03x = 75,176,412.28
  5. Step 5: Solve for x
    x = 75,176,412.28/8,706.03
  6. Step 6: Final answer
    x = 8,634.98

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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.