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Finding the Fourth Proportional to 18,242.79, 27,369.06 and 6,556.11

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Solution

The fourth proportional to 18,242.79, 27,369.06 and 6,556.11 is: 9,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.79 : 27,369.06 = 6,556.11 : x
  2. Step 2: Convert to fraction form
    18,242.79/27,369.06 = 6,556.11/x
  3. Step 3: Cross multiply
    18,242.79x = 27,369.06 × 6,556.11
  4. Step 4: Simplify right side
    18,242.79x = 179,434,567.96
  5. Step 5: Solve for x
    x = 179,434,567.96/18,242.79
  6. Step 6: Final answer
    x = 9,835.92

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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.