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Finding the Fourth Proportional to 34,910.60, 48,175.19 and 18,995.05

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Solution

The fourth proportional to 34,910.60, 48,175.19 and 18,995.05 is: 26,212.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,910.60 : 48,175.19 = 18,995.05 : x
  2. Step 2: Convert to fraction form
    34,910.60/48,175.19 = 18,995.05/x
  3. Step 3: Cross multiply
    34,910.60x = 48,175.19 × 18,995.05
  4. Step 4: Simplify right side
    34,910.60x = 915,090,179.28
  5. Step 5: Solve for x
    x = 915,090,179.28/34,910.60
  6. Step 6: Final answer
    x = 26,212.39

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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.