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Finding the Fourth Proportional to 35,491.96, 48,979.08 and 19,576.39

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Solution

The fourth proportional to 35,491.96, 48,979.08 and 19,576.39 is: 27,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.96 : 48,979.08 = 19,576.39 : x
  2. Step 2: Convert to fraction form
    35,491.96/48,979.08 = 19,576.39/x
  3. Step 3: Cross multiply
    35,491.96x = 48,979.08 × 19,576.39
  4. Step 4: Simplify right side
    35,491.96x = 958,833,571.92
  5. Step 5: Solve for x
    x = 958,833,571.92/35,491.96
  6. Step 6: Final answer
    x = 27,015.51

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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.