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Finding the Fourth Proportional to 11,605.10, 17,410.06 and 5,276.96

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Solution

The fourth proportional to 11,605.10, 17,410.06 and 5,276.96 is: 7,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,605.10 : 17,410.06 = 5,276.96 : x
  2. Step 2: Convert to fraction form
    11,605.10/17,410.06 = 5,276.96/x
  3. Step 3: Cross multiply
    11,605.10x = 17,410.06 × 5,276.96
  4. Step 4: Simplify right side
    11,605.10x = 91,872,246.94
  5. Step 5: Solve for x
    x = 91,872,246.94/11,605.10
  6. Step 6: Final answer
    x = 7,916.54

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1.5x scale

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.