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Finding the Fourth Proportional to 35,403.97, 48,857.08 and 19,488.09

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Solution

The fourth proportional to 35,403.97, 48,857.08 and 19,488.09 is: 26,893.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,403.97 : 48,857.08 = 19,488.09 : x
  2. Step 2: Convert to fraction form
    35,403.97/48,857.08 = 19,488.09/x
  3. Step 3: Cross multiply
    35,403.97x = 48,857.08 × 19,488.09
  4. Step 4: Simplify right side
    35,403.97x = 952,131,172.18
  5. Step 5: Solve for x
    x = 952,131,172.18/35,403.97
  6. Step 6: Final answer
    x = 26,893.34

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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.