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Finding the Fourth Proportional to 58,187.90, 80,299.37 and 33,037.40

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Solution

The fourth proportional to 58,187.90, 80,299.37 and 33,037.40 is: 45,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,187.90 : 80,299.37 = 33,037.40 : x
  2. Step 2: Convert to fraction form
    58,187.90/80,299.37 = 33,037.40/x
  3. Step 3: Cross multiply
    58,187.90x = 80,299.37 × 33,037.40
  4. Step 4: Simplify right side
    58,187.90x = 2,652,882,241.25
  5. Step 5: Solve for x
    x = 2,652,882,241.25/58,187.90
  6. Step 6: Final answer
    x = 45,591.65

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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.