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Finding the Fourth Proportional to 11,755.44, 17,645.04 and 10,377.72

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Solution

The fourth proportional to 11,755.44, 17,645.04 and 10,377.72 is: 15,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,755.44 : 17,645.04 = 10,377.72 : x
  2. Step 2: Convert to fraction form
    11,755.44/17,645.04 = 10,377.72/x
  3. Step 3: Cross multiply
    11,755.44x = 17,645.04 × 10,377.72
  4. Step 4: Simplify right side
    11,755.44x = 183,115,284.51
  5. Step 5: Solve for x
    x = 183,115,284.51/11,755.44
  6. Step 6: Final answer
    x = 15,577.07

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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.