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Finding the Fourth Proportional to 29,402.58, 40,560.03 and 18,628.44

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Solution

The fourth proportional to 29,402.58, 40,560.03 and 18,628.44 is: 25,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,402.58 : 40,560.03 = 18,628.44 : x
  2. Step 2: Convert to fraction form
    29,402.58/40,560.03 = 18,628.44/x
  3. Step 3: Cross multiply
    29,402.58x = 40,560.03 × 18,628.44
  4. Step 4: Simplify right side
    29,402.58x = 755,570,085.25
  5. Step 5: Solve for x
    x = 755,570,085.25/29,402.58
  6. Step 6: Final answer
    x = 25,697.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.