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Finding the Fourth Proportional to 57,608, 79,499.28 and 32,457.92

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Solution

The fourth proportional to 57,608, 79,499.28 and 32,457.92 is: 44,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,608 : 79,499.28 = 32,457.92 : x
  2. Step 2: Convert to fraction form
    57,608/79,499.28 = 32,457.92/x
  3. Step 3: Cross multiply
    57,608x = 79,499.28 × 32,457.92
  4. Step 4: Simplify right side
    57,608x = 2,580,381,270.30
  5. Step 5: Solve for x
    x = 2,580,381,270.30/57,608
  6. Step 6: Final answer
    x = 44,792.06

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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.