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Finding the Fourth Proportional to 17,666.59, 26,499.97 and 4,518.96

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Solution

The fourth proportional to 17,666.59, 26,499.97 and 4,518.96 is: 6,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,666.59 : 26,499.97 = 4,518.96 : x
  2. Step 2: Convert to fraction form
    17,666.59/26,499.97 = 4,518.96/x
  3. Step 3: Cross multiply
    17,666.59x = 26,499.97 × 4,518.96
  4. Step 4: Simplify right side
    17,666.59x = 119,752,304.43
  5. Step 5: Solve for x
    x = 119,752,304.43/17,666.59
  6. Step 6: Final answer
    x = 6,778.46

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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.