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Finding the Fourth Proportional to 17,619.73, 24,315.04 and 9,661.93

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Solution

The fourth proportional to 17,619.73, 24,315.04 and 9,661.93 is: 13,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.73 : 24,315.04 = 9,661.93 : x
  2. Step 2: Convert to fraction form
    17,619.73/24,315.04 = 9,661.93/x
  3. Step 3: Cross multiply
    17,619.73x = 24,315.04 × 9,661.93
  4. Step 4: Simplify right side
    17,619.73x = 234,930,214.43
  5. Step 5: Solve for x
    x = 234,930,214.43/17,619.73
  6. Step 6: Final answer
    x = 13,333.36

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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.