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Finding the Fourth Proportional to 35,938.50, 53,869.03 and 17,178.64

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Solution

The fourth proportional to 35,938.50, 53,869.03 and 17,178.64 is: 25,749.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,938.50 : 53,869.03 = 17,178.64 : x
  2. Step 2: Convert to fraction form
    35,938.50/53,869.03 = 17,178.64/x
  3. Step 3: Cross multiply
    35,938.50x = 53,869.03 × 17,178.64
  4. Step 4: Simplify right side
    35,938.50x = 925,396,673.52
  5. Step 5: Solve for x
    x = 925,396,673.52/35,938.50
  6. Step 6: Final answer
    x = 25,749.45

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