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Finding the Fourth Proportional to 10,173.54, 14,039.99 and 5,697

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Solution

The fourth proportional to 10,173.54, 14,039.99 and 5,697 is: 7,862.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.54 : 14,039.99 = 5,697 : x
  2. Step 2: Convert to fraction form
    10,173.54/14,039.99 = 5,697/x
  3. Step 3: Cross multiply
    10,173.54x = 14,039.99 × 5,697
  4. Step 4: Simplify right side
    10,173.54x = 79,985,823.03
  5. Step 5: Solve for x
    x = 79,985,823.03/10,173.54
  6. Step 6: Final answer
    x = 7,862.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.