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Finding the Fourth Proportional to 17,518.94, 24,176.64 and 9,561.68

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Solution

The fourth proportional to 17,518.94, 24,176.64 and 9,561.68 is: 13,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.94 : 24,176.64 = 9,561.68 : x
  2. Step 2: Convert to fraction form
    17,518.94/24,176.64 = 9,561.68/x
  3. Step 3: Cross multiply
    17,518.94x = 24,176.64 × 9,561.68
  4. Step 4: Simplify right side
    17,518.94x = 231,169,174.27
  5. Step 5: Solve for x
    x = 231,169,174.27/17,518.94
  6. Step 6: Final answer
    x = 13,195.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.