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Finding the Fourth Proportional to 26,597.30, 39,905.07 and 9,079.43

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Solution

The fourth proportional to 26,597.30, 39,905.07 and 9,079.43 is: 13,622.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,597.30 : 39,905.07 = 9,079.43 : x
  2. Step 2: Convert to fraction form
    26,597.30/39,905.07 = 9,079.43/x
  3. Step 3: Cross multiply
    26,597.30x = 39,905.07 × 9,079.43
  4. Step 4: Simplify right side
    26,597.30x = 362,315,056.14
  5. Step 5: Solve for x
    x = 362,315,056.14/26,597.30
  6. Step 6: Final answer
    x = 13,622.25

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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.