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Finding the Fourth Proportional to 8,673.54, 13,017.60 and 4,515

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Solution

The fourth proportional to 8,673.54, 13,017.60 and 4,515 is: 6,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.54 : 13,017.60 = 4,515 : x
  2. Step 2: Convert to fraction form
    8,673.54/13,017.60 = 4,515/x
  3. Step 3: Cross multiply
    8,673.54x = 13,017.60 × 4,515
  4. Step 4: Simplify right side
    8,673.54x = 58,774,464
  5. Step 5: Solve for x
    x = 58,774,464/8,673.54
  6. Step 6: Final answer
    x = 6,776.29

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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.