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Finding the Fourth Proportional to 35,419.75, 48,879.26 and 19,504.16

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Solution

The fourth proportional to 35,419.75, 48,879.26 and 19,504.16 is: 26,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,419.75 : 48,879.26 = 19,504.16 : x
  2. Step 2: Convert to fraction form
    35,419.75/48,879.26 = 19,504.16/x
  3. Step 3: Cross multiply
    35,419.75x = 48,879.26 × 19,504.16
  4. Step 4: Simplify right side
    35,419.75x = 953,348,907.72
  5. Step 5: Solve for x
    x = 953,348,907.72/35,419.75
  6. Step 6: Final answer
    x = 26,915.74

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1.5x scale

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.