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Finding the Fourth Proportional to 28,401.41, 42,555.03 and 17,274.44

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Solution

The fourth proportional to 28,401.41, 42,555.03 and 17,274.44 is: 25,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,401.41 : 42,555.03 = 17,274.44 : x
  2. Step 2: Convert to fraction form
    28,401.41/42,555.03 = 17,274.44/x
  3. Step 3: Cross multiply
    28,401.41x = 42,555.03 × 17,274.44
  4. Step 4: Simplify right side
    28,401.41x = 735,114,034.88
  5. Step 5: Solve for x
    x = 735,114,034.88/28,401.41
  6. Step 6: Final answer
    x = 25,883.02

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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.