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Finding the Fourth Proportional to 17,619.06, 24,314.09 and 9,661.22

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Solution

The fourth proportional to 17,619.06, 24,314.09 and 9,661.22 is: 13,332.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.06 : 24,314.09 = 9,661.22 : x
  2. Step 2: Convert to fraction form
    17,619.06/24,314.09 = 9,661.22/x
  3. Step 3: Cross multiply
    17,619.06x = 24,314.09 × 9,661.22
  4. Step 4: Simplify right side
    17,619.06x = 234,903,675.17
  5. Step 5: Solve for x
    x = 234,903,675.17/17,619.06
  6. Step 6: Final answer
    x = 13,332.36

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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.