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Finding the Fourth Proportional to 58,185.70, 80,296.35 and 33,035.20

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Solution

The fourth proportional to 58,185.70, 80,296.35 and 33,035.20 is: 45,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,185.70 : 80,296.35 = 33,035.20 : x
  2. Step 2: Convert to fraction form
    58,185.70/80,296.35 = 33,035.20/x
  3. Step 3: Cross multiply
    58,185.70x = 80,296.35 × 33,035.20
  4. Step 4: Simplify right side
    58,185.70x = 2,652,606,108.56
  5. Step 5: Solve for x
    x = 2,652,606,108.56/58,185.70
  6. Step 6: Final answer
    x = 45,588.62

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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.