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Finding the Fourth Proportional to 17,052.80, 25,636.80 and 14,518.40

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Solution

The fourth proportional to 17,052.80, 25,636.80 and 14,518.40 is: 21,826.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,052.80 : 25,636.80 = 14,518.40 : x
  2. Step 2: Convert to fraction form
    17,052.80/25,636.80 = 14,518.40/x
  3. Step 3: Cross multiply
    17,052.80x = 25,636.80 × 14,518.40
  4. Step 4: Simplify right side
    17,052.80x = 372,205,317.12
  5. Step 5: Solve for x
    x = 372,205,317.12/17,052.80
  6. Step 6: Final answer
    x = 21,826.64

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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.