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Finding the Fourth Proportional to 35,491.81, 48,978.84 and 19,576.22

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Solution

The fourth proportional to 35,491.81, 48,978.84 and 19,576.22 is: 27,015.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.81 : 48,978.84 = 19,576.22 : x
  2. Step 2: Convert to fraction form
    35,491.81/48,978.84 = 19,576.22/x
  3. Step 3: Cross multiply
    35,491.81x = 48,978.84 × 19,576.22
  4. Step 4: Simplify right side
    35,491.81x = 958,820,449.30
  5. Step 5: Solve for x
    x = 958,820,449.30/35,491.81
  6. Step 6: Final answer
    x = 27,015.26

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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.