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Finding the Fourth Proportional to 26,584.80, 36,716.40 and 18,074.40

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Solution

The fourth proportional to 26,584.80, 36,716.40 and 18,074.40 is: 24,962.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,584.80 : 36,716.40 = 18,074.40 : x
  2. Step 2: Convert to fraction form
    26,584.80/36,716.40 = 18,074.40/x
  3. Step 3: Cross multiply
    26,584.80x = 36,716.40 × 18,074.40
  4. Step 4: Simplify right side
    26,584.80x = 663,626,900.16
  5. Step 5: Solve for x
    x = 663,626,900.16/26,584.80
  6. Step 6: Final answer
    x = 24,962.64

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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.