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Finding the Fourth Proportional to 17,382.30, 26,073.45 and 14,101.80

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Solution

The fourth proportional to 17,382.30, 26,073.45 and 14,101.80 is: 21,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,382.30 : 26,073.45 = 14,101.80 : x
  2. Step 2: Convert to fraction form
    17,382.30/26,073.45 = 14,101.80/x
  3. Step 3: Cross multiply
    17,382.30x = 26,073.45 × 14,101.80
  4. Step 4: Simplify right side
    17,382.30x = 367,682,577.21
  5. Step 5: Solve for x
    x = 367,682,577.21/17,382.30
  6. Step 6: Final answer
    x = 21,152.70

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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.