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Finding the Fourth Proportional to 39,353.59, 59,047.83 and 20,629.16

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Solution

The fourth proportional to 39,353.59, 59,047.83 and 20,629.16 is: 30,952.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,353.59 : 59,047.83 = 20,629.16 : x
  2. Step 2: Convert to fraction form
    39,353.59/59,047.83 = 20,629.16/x
  3. Step 3: Cross multiply
    39,353.59x = 59,047.83 × 20,629.16
  4. Step 4: Simplify right side
    39,353.59x = 1,218,106,837.48
  5. Step 5: Solve for x
    x = 1,218,106,837.48/39,353.59
  6. Step 6: Final answer
    x = 30,952.88

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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.