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Finding the Fourth Proportional to 34,959.69, 48,245.49 and 19,853.01

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Solution

The fourth proportional to 34,959.69, 48,245.49 and 19,853.01 is: 27,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,959.69 : 48,245.49 = 19,853.01 : x
  2. Step 2: Convert to fraction form
    34,959.69/48,245.49 = 19,853.01/x
  3. Step 3: Cross multiply
    34,959.69x = 48,245.49 × 19,853.01
  4. Step 4: Simplify right side
    34,959.69x = 957,818,195.42
  5. Step 5: Solve for x
    x = 957,818,195.42/34,959.69
  6. Step 6: Final answer
    x = 27,397.79

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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.