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Finding the Fourth Proportional to 16,581.04, 24,866.40 and 5,485.36

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Solution

The fourth proportional to 16,581.04, 24,866.40 and 5,485.36 is: 8,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.04 : 24,866.40 = 5,485.36 : x
  2. Step 2: Convert to fraction form
    16,581.04/24,866.40 = 5,485.36/x
  3. Step 3: Cross multiply
    16,581.04x = 24,866.40 × 5,485.36
  4. Step 4: Simplify right side
    16,581.04x = 136,401,155.90
  5. Step 5: Solve for x
    x = 136,401,155.90/16,581.04
  6. Step 6: Final answer
    x = 8,226.33

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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.