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Finding the Fourth Proportional to 35,863.25, 49,491.29 and 20,959.25

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Solution

The fourth proportional to 35,863.25, 49,491.29 and 20,959.25 is: 28,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,863.25 : 49,491.29 = 20,959.25 : x
  2. Step 2: Convert to fraction form
    35,863.25/49,491.29 = 20,959.25/x
  3. Step 3: Cross multiply
    35,863.25x = 49,491.29 × 20,959.25
  4. Step 4: Simplify right side
    35,863.25x = 1,037,300,215.14
  5. Step 5: Solve for x
    x = 1,037,300,215.14/35,863.25
  6. Step 6: Final answer
    x = 28,923.77

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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.