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Finding the Fourth Proportional to 58,565.52, 80,821.26 and 33,415.02

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Solution

The fourth proportional to 58,565.52, 80,821.26 and 33,415.02 is: 46,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,565.52 : 80,821.26 = 33,415.02 : x
  2. Step 2: Convert to fraction form
    58,565.52/80,821.26 = 33,415.02/x
  3. Step 3: Cross multiply
    58,565.52x = 80,821.26 × 33,415.02
  4. Step 4: Simplify right side
    58,565.52x = 2,700,644,019.33
  5. Step 5: Solve for x
    x = 2,700,644,019.33/58,565.52
  6. Step 6: Final answer
    x = 46,113.21

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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.