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Finding the Fourth Proportional to 35,393.54, 48,843.90 and 19,478.36

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Solution

The fourth proportional to 35,393.54, 48,843.90 and 19,478.36 is: 26,880.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,393.54 : 48,843.90 = 19,478.36 : x
  2. Step 2: Convert to fraction form
    35,393.54/48,843.90 = 19,478.36/x
  3. Step 3: Cross multiply
    35,393.54x = 48,843.90 × 19,478.36
  4. Step 4: Simplify right side
    35,393.54x = 951,399,068.00
  5. Step 5: Solve for x
    x = 951,399,068.00/35,393.54
  6. Step 6: Final answer
    x = 26,880.59

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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.