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Finding the Fourth Proportional to 26,446.55, 39,644.88 and 8,904.11

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Solution

The fourth proportional to 26,446.55, 39,644.88 and 8,904.11 is: 13,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,446.55 : 39,644.88 = 8,904.11 : x
  2. Step 2: Convert to fraction form
    26,446.55/39,644.88 = 8,904.11/x
  3. Step 3: Cross multiply
    26,446.55x = 39,644.88 × 8,904.11
  4. Step 4: Simplify right side
    26,446.55x = 353,002,372.46
  5. Step 5: Solve for x
    x = 353,002,372.46/26,446.55
  6. Step 6: Final answer
    x = 13,347.77

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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.