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Finding the Fourth Proportional to 58,672.81, 80,971.93 and 33,181.46

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Solution

The fourth proportional to 58,672.81, 80,971.93 and 33,181.46 is: 45,792.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,672.81 : 80,971.93 = 33,181.46 : x
  2. Step 2: Convert to fraction form
    58,672.81/80,971.93 = 33,181.46/x
  3. Step 3: Cross multiply
    58,672.81x = 80,971.93 × 33,181.46
  4. Step 4: Simplify right side
    58,672.81x = 2,686,766,817.22
  5. Step 5: Solve for x
    x = 2,686,766,817.22/58,672.81
  6. Step 6: Final answer
    x = 45,792.37

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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.