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Finding the Fourth Proportional to 29,486.40, 44,164.80 and 26,203.20

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Solution

The fourth proportional to 29,486.40, 44,164.80 and 26,203.20 is: 39,247.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,486.40 : 44,164.80 = 26,203.20 : x
  2. Step 2: Convert to fraction form
    29,486.40/44,164.80 = 26,203.20/x
  3. Step 3: Cross multiply
    29,486.40x = 44,164.80 × 26,203.20
  4. Step 4: Simplify right side
    29,486.40x = 1,157,259,087.36
  5. Step 5: Solve for x
    x = 1,157,259,087.36/29,486.40
  6. Step 6: Final answer
    x = 39,247.22

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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.