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Finding the Fourth Proportional to 35,673.45, 53,517.48 and 15,954

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Solution

The fourth proportional to 35,673.45, 53,517.48 and 15,954 is: 23,934.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,673.45 : 53,517.48 = 15,954 : x
  2. Step 2: Convert to fraction form
    35,673.45/53,517.48 = 15,954/x
  3. Step 3: Cross multiply
    35,673.45x = 53,517.48 × 15,954
  4. Step 4: Simplify right side
    35,673.45x = 853,817,875.92
  5. Step 5: Solve for x
    x = 853,817,875.92/35,673.45
  6. Step 6: Final answer
    x = 23,934.27

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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.