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Finding the Fourth Proportional to 35,899, 53,850.68 and 11,275

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Solution

The fourth proportional to 35,899, 53,850.68 and 11,275 is: 16,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,899 : 53,850.68 = 11,275 : x
  2. Step 2: Convert to fraction form
    35,899/53,850.68 = 11,275/x
  3. Step 3: Cross multiply
    35,899x = 53,850.68 × 11,275
  4. Step 4: Simplify right side
    35,899x = 607,166,417
  5. Step 5: Solve for x
    x = 607,166,417/35,899
  6. Step 6: Final answer
    x = 16,913.18

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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.