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Finding the Fourth Proportional to 35,452.84, 53,190.20 and 15,729.76

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Solution

The fourth proportional to 35,452.84, 53,190.20 and 15,729.76 is: 23,599.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,452.84 : 53,190.20 = 15,729.76 : x
  2. Step 2: Convert to fraction form
    35,452.84/53,190.20 = 15,729.76/x
  3. Step 3: Cross multiply
    35,452.84x = 53,190.20 × 15,729.76
  4. Step 4: Simplify right side
    35,452.84x = 836,669,080.35
  5. Step 5: Solve for x
    x = 836,669,080.35/35,452.84
  6. Step 6: Final answer
    x = 23,599.49

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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.