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Finding the Fourth Proportional to 58,521.69, 80,760.22 and 33,029.13

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Solution

The fourth proportional to 58,521.69, 80,760.22 and 33,029.13 is: 45,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,521.69 : 80,760.22 = 33,029.13 : x
  2. Step 2: Convert to fraction form
    58,521.69/80,760.22 = 33,029.13/x
  3. Step 3: Cross multiply
    58,521.69x = 80,760.22 × 33,029.13
  4. Step 4: Simplify right side
    58,521.69x = 2,667,439,805.21
  5. Step 5: Solve for x
    x = 2,667,439,805.21/58,521.69
  6. Step 6: Final answer
    x = 45,580.36

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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.