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Finding the Fourth Proportional to 58,900.88, 81,285.04 and 33,408.28

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Solution

The fourth proportional to 58,900.88, 81,285.04 and 33,408.28 is: 46,104.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,900.88 : 81,285.04 = 33,408.28 : x
  2. Step 2: Convert to fraction form
    58,900.88/81,285.04 = 33,408.28/x
  3. Step 3: Cross multiply
    58,900.88x = 81,285.04 × 33,408.28
  4. Step 4: Simplify right side
    58,900.88x = 2,715,593,376.13
  5. Step 5: Solve for x
    x = 2,715,593,376.13/58,900.88
  6. Step 6: Final answer
    x = 46,104.46

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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.