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Finding the Fourth Proportional to 11,380.83, 17,071.25 and 3,590.25

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Solution

The fourth proportional to 11,380.83, 17,071.25 and 3,590.25 is: 5,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,380.83 : 17,071.25 = 3,590.25 : x
  2. Step 2: Convert to fraction form
    11,380.83/17,071.25 = 3,590.25/x
  3. Step 3: Cross multiply
    11,380.83x = 17,071.25 × 3,590.25
  4. Step 4: Simplify right side
    11,380.83x = 61,290,037.36
  5. Step 5: Solve for x
    x = 61,290,037.36/11,380.83
  6. Step 6: Final answer
    x = 5,385.38

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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.