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Finding the Fourth Proportional to 35,673.52, 49,228.92 and 19,540.70

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Solution

The fourth proportional to 35,673.52, 49,228.92 and 19,540.70 is: 26,965.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,673.52 : 49,228.92 = 19,540.70 : x
  2. Step 2: Convert to fraction form
    35,673.52/49,228.92 = 19,540.70/x
  3. Step 3: Cross multiply
    35,673.52x = 49,228.92 × 19,540.70
  4. Step 4: Simplify right side
    35,673.52x = 961,967,715.08
  5. Step 5: Solve for x
    x = 961,967,715.08/35,673.52
  6. Step 6: Final answer
    x = 26,965.87

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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.