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Finding the Fourth Proportional to 10,860.48, 16,287.48 and 3,935.52

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Solution

The fourth proportional to 10,860.48, 16,287.48 and 3,935.52 is: 5,902.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.48 : 16,287.48 = 3,935.52 : x
  2. Step 2: Convert to fraction form
    10,860.48/16,287.48 = 3,935.52/x
  3. Step 3: Cross multiply
    10,860.48x = 16,287.48 × 3,935.52
  4. Step 4: Simplify right side
    10,860.48x = 64,099,703.29
  5. Step 5: Solve for x
    x = 64,099,703.29/10,860.48
  6. Step 6: Final answer
    x = 5,902.11

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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.