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Finding the Fourth Proportional to 58,347.59, 80,520.14 and 33,198.71

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Solution

The fourth proportional to 58,347.59, 80,520.14 and 33,198.71 is: 45,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,347.59 : 80,520.14 = 33,198.71 : x
  2. Step 2: Convert to fraction form
    58,347.59/80,520.14 = 33,198.71/x
  3. Step 3: Cross multiply
    58,347.59x = 80,520.14 × 33,198.71
  4. Step 4: Simplify right side
    58,347.59x = 2,673,164,457.42
  5. Step 5: Solve for x
    x = 2,673,164,457.42/58,347.59
  6. Step 6: Final answer
    x = 45,814.48

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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.