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Finding the Fourth Proportional to 17,792.80, 26,664.90 and 11,852.80

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Solution

The fourth proportional to 17,792.80, 26,664.90 and 11,852.80 is: 17,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,792.80 : 26,664.90 = 11,852.80 : x
  2. Step 2: Convert to fraction form
    17,792.80/26,664.90 = 11,852.80/x
  3. Step 3: Cross multiply
    17,792.80x = 26,664.90 × 11,852.80
  4. Step 4: Simplify right side
    17,792.80x = 316,053,726.72
  5. Step 5: Solve for x
    x = 316,053,726.72/17,792.80
  6. Step 6: Final answer
    x = 17,763.01

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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.