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Finding the Fourth Proportional to 58,388.63, 80,576.39 and 33,238.13

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Solution

The fourth proportional to 58,388.63, 80,576.39 and 33,238.13 is: 45,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,388.63 : 80,576.39 = 33,238.13 : x
  2. Step 2: Convert to fraction form
    58,388.63/80,576.39 = 33,238.13/x
  3. Step 3: Cross multiply
    58,388.63x = 80,576.39 × 33,238.13
  4. Step 4: Simplify right side
    58,388.63x = 2,678,208,205.96
  5. Step 5: Solve for x
    x = 2,678,208,205.96/58,388.63
  6. Step 6: Final answer
    x = 45,868.66

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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.