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Finding the Fourth Proportional to 35,880.66, 53,821.02 and 17,156.28

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Solution

The fourth proportional to 35,880.66, 53,821.02 and 17,156.28 is: 25,734.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.66 : 53,821.02 = 17,156.28 : x
  2. Step 2: Convert to fraction form
    35,880.66/53,821.02 = 17,156.28/x
  3. Step 3: Cross multiply
    35,880.66x = 53,821.02 × 17,156.28
  4. Step 4: Simplify right side
    35,880.66x = 923,368,489.01
  5. Step 5: Solve for x
    x = 923,368,489.01/35,880.66
  6. Step 6: Final answer
    x = 25,734.43

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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.