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Finding the Fourth Proportional to 58,603.88, 80,872.92 and 33,453.32

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Solution

The fourth proportional to 58,603.88, 80,872.92 and 33,453.32 is: 46,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,603.88 : 80,872.92 = 33,453.32 : x
  2. Step 2: Convert to fraction form
    58,603.88/80,872.92 = 33,453.32/x
  3. Step 3: Cross multiply
    58,603.88x = 80,872.92 × 33,453.32
  4. Step 4: Simplify right side
    58,603.88x = 2,705,467,672.09
  5. Step 5: Solve for x
    x = 2,705,467,672.09/58,603.88
  6. Step 6: Final answer
    x = 46,165.33

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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.