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Finding the Fourth Proportional to 35,880.25, 53,829.02 and 11,256.25

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Solution

The fourth proportional to 35,880.25, 53,829.02 and 11,256.25 is: 16,887.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,880.25 : 53,829.02 = 11,256.25 : x
  2. Step 2: Convert to fraction form
    35,880.25/53,829.02 = 11,256.25/x
  3. Step 3: Cross multiply
    35,880.25x = 53,829.02 × 11,256.25
  4. Step 4: Simplify right side
    35,880.25x = 605,912,906.38
  5. Step 5: Solve for x
    x = 605,912,906.38/35,880.25
  6. Step 6: Final answer
    x = 16,887.09

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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.