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Finding the Fourth Proportional to 58,777.97, 81,118.61 and 33,288.80

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Solution

The fourth proportional to 58,777.97, 81,118.61 and 33,288.80 is: 45,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,777.97 : 81,118.61 = 33,288.80 : x
  2. Step 2: Convert to fraction form
    58,777.97/81,118.61 = 33,288.80/x
  3. Step 3: Cross multiply
    58,777.97x = 81,118.61 × 33,288.80
  4. Step 4: Simplify right side
    58,777.97x = 2,700,340,737.36
  5. Step 5: Solve for x
    x = 2,700,340,737.36/58,777.97
  6. Step 6: Final answer
    x = 45,941.38

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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.