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Finding the Fourth Proportional to 13,197.59, 19,796.99 and 7,349.79

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Solution

The fourth proportional to 13,197.59, 19,796.99 and 7,349.79 is: 11,025.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.59 : 19,796.99 = 7,349.79 : x
  2. Step 2: Convert to fraction form
    13,197.59/19,796.99 = 7,349.79/x
  3. Step 3: Cross multiply
    13,197.59x = 19,796.99 × 7,349.79
  4. Step 4: Simplify right side
    13,197.59x = 145,503,719.13
  5. Step 5: Solve for x
    x = 145,503,719.13/13,197.59
  6. Step 6: Final answer
    x = 11,025.02

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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.