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Finding the Fourth Proportional to 39,598.70, 59,288.70 and 30,850.70

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Solution

The fourth proportional to 39,598.70, 59,288.70 and 30,850.70 is: 46,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,598.70 : 59,288.70 = 30,850.70 : x
  2. Step 2: Convert to fraction form
    39,598.70/59,288.70 = 30,850.70/x
  3. Step 3: Cross multiply
    39,598.70x = 59,288.70 × 30,850.70
  4. Step 4: Simplify right side
    39,598.70x = 1,829,097,897.09
  5. Step 5: Solve for x
    x = 1,829,097,897.09/39,598.70
  6. Step 6: Final answer
    x = 46,190.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.