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Finding the Fourth Proportional to 17,564.60, 26,344.14 and 6,476.60

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Solution

The fourth proportional to 17,564.60, 26,344.14 and 6,476.60 is: 9,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,564.60 : 26,344.14 = 6,476.60 : x
  2. Step 2: Convert to fraction form
    17,564.60/26,344.14 = 6,476.60/x
  3. Step 3: Cross multiply
    17,564.60x = 26,344.14 × 6,476.60
  4. Step 4: Simplify right side
    17,564.60x = 170,620,457.12
  5. Step 5: Solve for x
    x = 170,620,457.12/17,564.60
  6. Step 6: Final answer
    x = 9,713.88

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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.