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Finding the Fourth Proportional to 17,830.62, 26,733.60 and 7,830.54

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Solution

The fourth proportional to 17,830.62, 26,733.60 and 7,830.54 is: 11,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,830.62 : 26,733.60 = 7,830.54 : x
  2. Step 2: Convert to fraction form
    17,830.62/26,733.60 = 7,830.54/x
  3. Step 3: Cross multiply
    17,830.62x = 26,733.60 × 7,830.54
  4. Step 4: Simplify right side
    17,830.62x = 209,338,524.14
  5. Step 5: Solve for x
    x = 209,338,524.14/17,830.62
  6. Step 6: Final answer
    x = 11,740.40

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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.