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Finding the Fourth Proportional to 35,867.88, 53,810.46 and 11,243.88

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Solution

The fourth proportional to 35,867.88, 53,810.46 and 11,243.88 is: 16,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,867.88 : 53,810.46 = 11,243.88 : x
  2. Step 2: Convert to fraction form
    35,867.88/53,810.46 = 11,243.88/x
  3. Step 3: Cross multiply
    35,867.88x = 53,810.46 × 11,243.88
  4. Step 4: Simplify right side
    35,867.88x = 605,038,354.98
  5. Step 5: Solve for x
    x = 605,038,354.98/35,867.88
  6. Step 6: Final answer
    x = 16,868.53

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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.