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Finding the Fourth Proportional to 17,391.66, 25,960.14 and 14,942.22

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Solution

The fourth proportional to 17,391.66, 25,960.14 and 14,942.22 is: 22,303.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.66 : 25,960.14 = 14,942.22 : x
  2. Step 2: Convert to fraction form
    17,391.66/25,960.14 = 14,942.22/x
  3. Step 3: Cross multiply
    17,391.66x = 25,960.14 × 14,942.22
  4. Step 4: Simplify right side
    17,391.66x = 387,902,123.11
  5. Step 5: Solve for x
    x = 387,902,123.11/17,391.66
  6. Step 6: Final answer
    x = 22,303.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.