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Finding the Fourth Proportional to 17,625.70, 26,442.15 and 5,940.10

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Solution

The fourth proportional to 17,625.70, 26,442.15 and 5,940.10 is: 8,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.70 : 26,442.15 = 5,940.10 : x
  2. Step 2: Convert to fraction form
    17,625.70/26,442.15 = 5,940.10/x
  3. Step 3: Cross multiply
    17,625.70x = 26,442.15 × 5,940.10
  4. Step 4: Simplify right side
    17,625.70x = 157,069,015.22
  5. Step 5: Solve for x
    x = 157,069,015.22/17,625.70
  6. Step 6: Final answer
    x = 8,911.36

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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.