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Finding the Fourth Proportional to 22,509.16, 33,752.22 and 11,985.16

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Solution

The fourth proportional to 22,509.16, 33,752.22 and 11,985.16 is: 17,971.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,509.16 : 33,752.22 = 11,985.16 : x
  2. Step 2: Convert to fraction form
    22,509.16/33,752.22 = 11,985.16/x
  3. Step 3: Cross multiply
    22,509.16x = 33,752.22 × 11,985.16
  4. Step 4: Simplify right side
    22,509.16x = 404,525,757.06
  5. Step 5: Solve for x
    x = 404,525,757.06/22,509.16
  6. Step 6: Final answer
    x = 17,971.61

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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.