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Finding the Fourth Proportional to 8,564.54, 12,845.08 and 3,017.76

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Solution

The fourth proportional to 8,564.54, 12,845.08 and 3,017.76 is: 4,526.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,564.54 : 12,845.08 = 3,017.76 : x
  2. Step 2: Convert to fraction form
    8,564.54/12,845.08 = 3,017.76/x
  3. Step 3: Cross multiply
    8,564.54x = 12,845.08 × 3,017.76
  4. Step 4: Simplify right side
    8,564.54x = 38,763,324.22
  5. Step 5: Solve for x
    x = 38,763,324.22/8,564.54
  6. Step 6: Final answer
    x = 4,526.03

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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.