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Finding the Fourth Proportional to 35,471.88, 48,950.40 and 19,555.92

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Solution

The fourth proportional to 35,471.88, 48,950.40 and 19,555.92 is: 26,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,471.88 : 48,950.40 = 19,555.92 : x
  2. Step 2: Convert to fraction form
    35,471.88/48,950.40 = 19,555.92/x
  3. Step 3: Cross multiply
    35,471.88x = 48,950.40 × 19,555.92
  4. Step 4: Simplify right side
    35,471.88x = 957,270,106.37
  5. Step 5: Solve for x
    x = 957,270,106.37/35,471.88
  6. Step 6: Final answer
    x = 26,986.73

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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.