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Finding the Fourth Proportional to 15,101.26, 22,655.03 and 4,571.87

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Solution

The fourth proportional to 15,101.26, 22,655.03 and 4,571.87 is: 6,858.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,101.26 : 22,655.03 = 4,571.87 : x
  2. Step 2: Convert to fraction form
    15,101.26/22,655.03 = 4,571.87/x
  3. Step 3: Cross multiply
    15,101.26x = 22,655.03 × 4,571.87
  4. Step 4: Simplify right side
    15,101.26x = 103,575,715.87
  5. Step 5: Solve for x
    x = 103,575,715.87/15,101.26
  6. Step 6: Final answer
    x = 6,858.75

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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.