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Finding the Fourth Proportional to 17,552.80, 26,367.60 and 12,368.80

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Solution

The fourth proportional to 17,552.80, 26,367.60 and 12,368.80 is: 18,580.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,552.80 : 26,367.60 = 12,368.80 : x
  2. Step 2: Convert to fraction form
    17,552.80/26,367.60 = 12,368.80/x
  3. Step 3: Cross multiply
    17,552.80x = 26,367.60 × 12,368.80
  4. Step 4: Simplify right side
    17,552.80x = 326,135,570.88
  5. Step 5: Solve for x
    x = 326,135,570.88/17,552.80
  6. Step 6: Final answer
    x = 18,580.26

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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.