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Finding the Fourth Proportional to 17,409.94, 26,073.12 and 9,991.96

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Solution

The fourth proportional to 17,409.94, 26,073.12 and 9,991.96 is: 14,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,409.94 : 26,073.12 = 9,991.96 : x
  2. Step 2: Convert to fraction form
    17,409.94/26,073.12 = 9,991.96/x
  3. Step 3: Cross multiply
    17,409.94x = 26,073.12 × 9,991.96
  4. Step 4: Simplify right side
    17,409.94x = 260,521,572.12
  5. Step 5: Solve for x
    x = 260,521,572.12/17,409.94
  6. Step 6: Final answer
    x = 14,963.96

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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.