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Finding the Fourth Proportional to 13,794.96, 19,037.48 and 7,826.88

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Solution

The fourth proportional to 13,794.96, 19,037.48 and 7,826.88 is: 10,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794.96 : 19,037.48 = 7,826.88 : x
  2. Step 2: Convert to fraction form
    13,794.96/19,037.48 = 7,826.88/x
  3. Step 3: Cross multiply
    13,794.96x = 19,037.48 × 7,826.88
  4. Step 4: Simplify right side
    13,794.96x = 149,004,071.46
  5. Step 5: Solve for x
    x = 149,004,071.46/13,794.96
  6. Step 6: Final answer
    x = 10,801.34

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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.