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Finding the Fourth Proportional to 17,369.66, 23,970.09 and 9,411.86

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Solution

The fourth proportional to 17,369.66, 23,970.09 and 9,411.86 is: 12,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.66 : 23,970.09 = 9,411.86 : x
  2. Step 2: Convert to fraction form
    17,369.66/23,970.09 = 9,411.86/x
  3. Step 3: Cross multiply
    17,369.66x = 23,970.09 × 9,411.86
  4. Step 4: Simplify right side
    17,369.66x = 225,603,131.27
  5. Step 5: Solve for x
    x = 225,603,131.27/17,369.66
  6. Step 6: Final answer
    x = 12,988.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.