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Finding the Fourth Proportional to 58,108.28, 80,169.68 and 36,899.76

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Solution

The fourth proportional to 58,108.28, 80,169.68 and 36,899.76 is: 50,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,108.28 : 80,169.68 = 36,899.76 : x
  2. Step 2: Convert to fraction form
    58,108.28/80,169.68 = 36,899.76/x
  3. Step 3: Cross multiply
    58,108.28x = 80,169.68 × 36,899.76
  4. Step 4: Simplify right side
    58,108.28x = 2,958,241,951.28
  5. Step 5: Solve for x
    x = 2,958,241,951.28/58,108.28
  6. Step 6: Final answer
    x = 50,909.13

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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.