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Finding the Fourth Proportional to 13,791.76, 19,012.24 and 10,763.46

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Solution

The fourth proportional to 13,791.76, 19,012.24 and 10,763.46 is: 14,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.76 : 19,012.24 = 10,763.46 : x
  2. Step 2: Convert to fraction form
    13,791.76/19,012.24 = 10,763.46/x
  3. Step 3: Cross multiply
    13,791.76x = 19,012.24 × 10,763.46
  4. Step 4: Simplify right side
    13,791.76x = 204,637,484.75
  5. Step 5: Solve for x
    x = 204,637,484.75/13,791.76
  6. Step 6: Final answer
    x = 14,837.66

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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.