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Finding the Fourth Proportional to 58,229.84, 80,348.18 and 32,731.48

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Solution

The fourth proportional to 58,229.84, 80,348.18 and 32,731.48 is: 45,164.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,229.84 : 80,348.18 = 32,731.48 : x
  2. Step 2: Convert to fraction form
    58,229.84/80,348.18 = 32,731.48/x
  3. Step 3: Cross multiply
    58,229.84x = 80,348.18 × 32,731.48
  4. Step 4: Simplify right side
    58,229.84x = 2,629,914,846.71
  5. Step 5: Solve for x
    x = 2,629,914,846.71/58,229.84
  6. Step 6: Final answer
    x = 45,164.38

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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.