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Finding the Fourth Proportional to 57,912.62, 79,926.48 and 34,041.51

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Solution

The fourth proportional to 57,912.62, 79,926.48 and 34,041.51 is: 46,981.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,912.62 : 79,926.48 = 34,041.51 : x
  2. Step 2: Convert to fraction form
    57,912.62/79,926.48 = 34,041.51/x
  3. Step 3: Cross multiply
    57,912.62x = 79,926.48 × 34,041.51
  4. Step 4: Simplify right side
    57,912.62x = 2,720,818,068.18
  5. Step 5: Solve for x
    x = 2,720,818,068.18/57,912.62
  6. Step 6: Final answer
    x = 46,981.44

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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.