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Finding the Fourth Proportional to 57,432.96, 79,233.12 and 35,064

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Solution

The fourth proportional to 57,432.96, 79,233.12 and 35,064 is: 48,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,432.96 : 79,233.12 = 35,064 : x
  2. Step 2: Convert to fraction form
    57,432.96/79,233.12 = 35,064/x
  3. Step 3: Cross multiply
    57,432.96x = 79,233.12 × 35,064
  4. Step 4: Simplify right side
    57,432.96x = 2,778,230,119.68
  5. Step 5: Solve for x
    x = 2,778,230,119.68/57,432.96
  6. Step 6: Final answer
    x = 48,373.44

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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.