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Finding the Fourth Proportional to 17,802.62, 26,719.98 and 9,489.56

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Solution

The fourth proportional to 17,802.62, 26,719.98 and 9,489.56 is: 14,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.62 : 26,719.98 = 9,489.56 : x
  2. Step 2: Convert to fraction form
    17,802.62/26,719.98 = 9,489.56/x
  3. Step 3: Cross multiply
    17,802.62x = 26,719.98 × 9,489.56
  4. Step 4: Simplify right side
    17,802.62x = 253,560,672.36
  5. Step 5: Solve for x
    x = 253,560,672.36/17,802.62
  6. Step 6: Final answer
    x = 14,242.89

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1.5x scale

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.