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Finding the Fourth Proportional to 58,694.94, 80,999.02 and 33,200.76

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Solution

The fourth proportional to 58,694.94, 80,999.02 and 33,200.76 is: 45,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,694.94 : 80,999.02 = 33,200.76 : x
  2. Step 2: Convert to fraction form
    58,694.94/80,999.02 = 33,200.76/x
  3. Step 3: Cross multiply
    58,694.94x = 80,999.02 × 33,200.76
  4. Step 4: Simplify right side
    58,694.94x = 2,689,229,368.50
  5. Step 5: Solve for x
    x = 2,689,229,368.50/58,694.94
  6. Step 6: Final answer
    x = 45,817.05

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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.