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Finding the Fourth Proportional to 11,655.24, 17,466.48 and 9,917.04

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Solution

The fourth proportional to 11,655.24, 17,466.48 and 9,917.04 is: 14,861.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.24 : 17,466.48 = 9,917.04 : x
  2. Step 2: Convert to fraction form
    11,655.24/17,466.48 = 9,917.04/x
  3. Step 3: Cross multiply
    11,655.24x = 17,466.48 × 9,917.04
  4. Step 4: Simplify right side
    11,655.24x = 173,215,780.82
  5. Step 5: Solve for x
    x = 173,215,780.82/11,655.24
  6. Step 6: Final answer
    x = 14,861.62

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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.