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Finding the Fourth Proportional to 57,318.93, 79,094.97 and 33,440.99

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Solution

The fourth proportional to 57,318.93, 79,094.97 and 33,440.99 is: 46,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,318.93 : 79,094.97 = 33,440.99 : x
  2. Step 2: Convert to fraction form
    57,318.93/79,094.97 = 33,440.99/x
  3. Step 3: Cross multiply
    57,318.93x = 79,094.97 × 33,440.99
  4. Step 4: Simplify right side
    57,318.93x = 2,645,013,705.35
  5. Step 5: Solve for x
    x = 2,645,013,705.35/57,318.93
  6. Step 6: Final answer
    x = 46,145.55

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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.