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Finding the Fourth Proportional to 57,820.84, 79,792.89 and 32,328.11

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Solution

The fourth proportional to 57,820.84, 79,792.89 and 32,328.11 is: 44,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,820.84 : 79,792.89 = 32,328.11 : x
  2. Step 2: Convert to fraction form
    57,820.84/79,792.89 = 32,328.11/x
  3. Step 3: Cross multiply
    57,820.84x = 79,792.89 × 32,328.11
  4. Step 4: Simplify right side
    57,820.84x = 2,579,553,163.50
  5. Step 5: Solve for x
    x = 2,579,553,163.50/57,820.84
  6. Step 6: Final answer
    x = 44,612.87

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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.