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Finding the Fourth Proportional to 35,470.70, 48,949.95 and 19,555.73

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Solution

The fourth proportional to 35,470.70, 48,949.95 and 19,555.73 is: 26,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,470.70 : 48,949.95 = 19,555.73 : x
  2. Step 2: Convert to fraction form
    35,470.70/48,949.95 = 19,555.73/x
  3. Step 3: Cross multiply
    35,470.70x = 48,949.95 × 19,555.73
  4. Step 4: Simplify right side
    35,470.70x = 957,251,760.96
  5. Step 5: Solve for x
    x = 957,251,760.96/35,470.70
  6. Step 6: Final answer
    x = 26,987.11

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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.