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Finding the Fourth Proportional to 35,475.72, 48,958.74 and 19,561.65

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Solution

The fourth proportional to 35,475.72, 48,958.74 and 19,561.65 is: 26,996.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,475.72 : 48,958.74 = 19,561.65 : x
  2. Step 2: Convert to fraction form
    35,475.72/48,958.74 = 19,561.65/x
  3. Step 3: Cross multiply
    35,475.72x = 48,958.74 × 19,561.65
  4. Step 4: Simplify right side
    35,475.72x = 957,713,736.32
  5. Step 5: Solve for x
    x = 957,713,736.32/35,475.72
  6. Step 6: Final answer
    x = 26,996.32

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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.