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Finding the Fourth Proportional to 8,673.48, 13,015.08 and 3,483

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Solution

The fourth proportional to 8,673.48, 13,015.08 and 3,483 is: 5,226.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.48 : 13,015.08 = 3,483 : x
  2. Step 2: Convert to fraction form
    8,673.48/13,015.08 = 3,483/x
  3. Step 3: Cross multiply
    8,673.48x = 13,015.08 × 3,483
  4. Step 4: Simplify right side
    8,673.48x = 45,331,523.64
  5. Step 5: Solve for x
    x = 45,331,523.64/8,673.48
  6. Step 6: Final answer
    x = 5,226.45

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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.