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Finding the Fourth Proportional to 18,590.00, 27,885.36 and 4,550.15

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Solution

The fourth proportional to 18,590.00, 27,885.36 and 4,550.15 is: 6,825.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,590.00 : 27,885.36 = 4,550.15 : x
  2. Step 2: Convert to fraction form
    18,590.00/27,885.36 = 4,550.15/x
  3. Step 3: Cross multiply
    18,590.00x = 27,885.36 × 4,550.15
  4. Step 4: Simplify right side
    18,590.00x = 126,882,475.13
  5. Step 5: Solve for x
    x = 126,882,475.13/18,590.00
  6. Step 6: Final answer
    x = 6,825.31

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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.