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Finding the Fourth Proportional to 57,754.16, 79,700.74 and 35,100.46

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Solution

The fourth proportional to 57,754.16, 79,700.74 and 35,100.46 is: 48,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,754.16 : 79,700.74 = 35,100.46 : x
  2. Step 2: Convert to fraction form
    57,754.16/79,700.74 = 35,100.46/x
  3. Step 3: Cross multiply
    57,754.16x = 79,700.74 × 35,100.46
  4. Step 4: Simplify right side
    57,754.16x = 2,797,532,349.34
  5. Step 5: Solve for x
    x = 2,797,532,349.34/57,754.16
  6. Step 6: Final answer
    x = 48,438.63

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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.