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Finding the Fourth Proportional to 13,765.59, 19,004.37 and 9,063.54

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Solution

The fourth proportional to 13,765.59, 19,004.37 and 9,063.54 is: 12,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.59 : 19,004.37 = 9,063.54 : x
  2. Step 2: Convert to fraction form
    13,765.59/19,004.37 = 9,063.54/x
  3. Step 3: Cross multiply
    13,765.59x = 19,004.37 × 9,063.54
  4. Step 4: Simplify right side
    13,765.59x = 172,246,867.67
  5. Step 5: Solve for x
    x = 172,246,867.67/13,765.59
  6. Step 6: Final answer
    x = 12,512.86

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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.