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Finding the Fourth Proportional to 18,590.62, 27,884.58 and 6,110.50

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Solution

The fourth proportional to 18,590.62, 27,884.58 and 6,110.50 is: 9,165.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.62 : 27,884.58 = 6,110.50 : x
  2. Step 2: Convert to fraction form
    18,590.62/27,884.58 = 6,110.50/x
  3. Step 3: Cross multiply
    18,590.62x = 27,884.58 × 6,110.50
  4. Step 4: Simplify right side
    18,590.62x = 170,388,726.09
  5. Step 5: Solve for x
    x = 170,388,726.09/18,590.62
  6. Step 6: Final answer
    x = 9,165.31

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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.