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Finding the Fourth Proportional to 34,793.64, 48,015.36 and 18,878.40

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Solution

The fourth proportional to 34,793.64, 48,015.36 and 18,878.40 is: 26,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,793.64 : 48,015.36 = 18,878.40 : x
  2. Step 2: Convert to fraction form
    34,793.64/48,015.36 = 18,878.40/x
  3. Step 3: Cross multiply
    34,793.64x = 48,015.36 × 18,878.40
  4. Step 4: Simplify right side
    34,793.64x = 906,453,172.22
  5. Step 5: Solve for x
    x = 906,453,172.22/34,793.64
  6. Step 6: Final answer
    x = 26,052.27

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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.