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Finding the Fourth Proportional to 27,438.01, 40,911.11 and 26,939.79

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Solution

The fourth proportional to 27,438.01, 40,911.11 and 26,939.79 is: 40,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.01 : 40,911.11 = 26,939.79 : x
  2. Step 2: Convert to fraction form
    27,438.01/40,911.11 = 26,939.79/x
  3. Step 3: Cross multiply
    27,438.01x = 40,911.11 × 26,939.79
  4. Step 4: Simplify right side
    27,438.01x = 1,102,136,678.39
  5. Step 5: Solve for x
    x = 1,102,136,678.39/27,438.01
  6. Step 6: Final answer
    x = 40,168.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.