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Finding the Fourth Proportional to 16,986, 23,441.04 and 9,534

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Solution

The fourth proportional to 16,986, 23,441.04 and 9,534 is: 13,157.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,986 : 23,441.04 = 9,534 : x
  2. Step 2: Convert to fraction form
    16,986/23,441.04 = 9,534/x
  3. Step 3: Cross multiply
    16,986x = 23,441.04 × 9,534
  4. Step 4: Simplify right side
    16,986x = 223,486,875.36
  5. Step 5: Solve for x
    x = 223,486,875.36/16,986
  6. Step 6: Final answer
    x = 13,157.12

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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.