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Finding the Fourth Proportional to 17,941.71, 26,889.06 and 7,399.46

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Solution

The fourth proportional to 17,941.71, 26,889.06 and 7,399.46 is: 11,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,941.71 : 26,889.06 = 7,399.46 : x
  2. Step 2: Convert to fraction form
    17,941.71/26,889.06 = 7,399.46/x
  3. Step 3: Cross multiply
    17,941.71x = 26,889.06 × 7,399.46
  4. Step 4: Simplify right side
    17,941.71x = 198,964,389.46
  5. Step 5: Solve for x
    x = 198,964,389.46/17,941.71
  6. Step 6: Final answer
    x = 11,089.49

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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.