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Finding the Fourth Proportional to 58,463.48, 80,680.38 and 33,312.44

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Solution

The fourth proportional to 58,463.48, 80,680.38 and 33,312.44 is: 45,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,463.48 : 80,680.38 = 33,312.44 : x
  2. Step 2: Convert to fraction form
    58,463.48/80,680.38 = 33,312.44/x
  3. Step 3: Cross multiply
    58,463.48x = 80,680.38 × 33,312.44
  4. Step 4: Simplify right side
    58,463.48x = 2,687,660,317.93
  5. Step 5: Solve for x
    x = 2,687,660,317.93/58,463.48
  6. Step 6: Final answer
    x = 45,971.61

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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.