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Finding the Fourth Proportional to 35,471.96, 48,951.68 and 19,556.98

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Solution

The fourth proportional to 35,471.96, 48,951.68 and 19,556.98 is: 26,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471.96 : 48,951.68 = 19,556.98 : x
  2. Step 2: Convert to fraction form
    35,471.96/48,951.68 = 19,556.98/x
  3. Step 3: Cross multiply
    35,471.96x = 48,951.68 × 19,556.98
  4. Step 4: Simplify right side
    35,471.96x = 957,346,684.18
  5. Step 5: Solve for x
    x = 957,346,684.18/35,471.96
  6. Step 6: Final answer
    x = 26,988.83

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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.