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Finding the Fourth Proportional to 13,841.68, 19,100.88 and 7,553.92

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Solution

The fourth proportional to 13,841.68, 19,100.88 and 7,553.92 is: 10,424.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.68 : 19,100.88 = 7,553.92 : x
  2. Step 2: Convert to fraction form
    13,841.68/19,100.88 = 7,553.92/x
  3. Step 3: Cross multiply
    13,841.68x = 19,100.88 × 7,553.92
  4. Step 4: Simplify right side
    13,841.68x = 144,286,519.45
  5. Step 5: Solve for x
    x = 144,286,519.45/13,841.68
  6. Step 6: Final answer
    x = 10,424.06

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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.