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Finding the Fourth Proportional to 17,802.18, 26,719.41 and 9,489.18

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Solution

The fourth proportional to 17,802.18, 26,719.41 and 9,489.18 is: 14,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,802.18 : 26,719.41 = 9,489.18 : x
  2. Step 2: Convert to fraction form
    17,802.18/26,719.41 = 9,489.18/x
  3. Step 3: Cross multiply
    17,802.18x = 26,719.41 × 9,489.18
  4. Step 4: Simplify right side
    17,802.18x = 253,545,290.98
  5. Step 5: Solve for x
    x = 253,545,290.98/17,802.18
  6. Step 6: Final answer
    x = 14,242.37

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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.