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Finding the Fourth Proportional to 11,650.59, 17,476.16 and 3,860.01

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Solution

The fourth proportional to 11,650.59, 17,476.16 and 3,860.01 is: 5,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,650.59 : 17,476.16 = 3,860.01 : x
  2. Step 2: Convert to fraction form
    11,650.59/17,476.16 = 3,860.01/x
  3. Step 3: Cross multiply
    11,650.59x = 17,476.16 × 3,860.01
  4. Step 4: Simplify right side
    11,650.59x = 67,458,133.06
  5. Step 5: Solve for x
    x = 67,458,133.06/11,650.59
  6. Step 6: Final answer
    x = 5,790.10

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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.