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Finding the Fourth Proportional to 40,476.38, 55,859.38 and 23,480.42

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Solution

The fourth proportional to 40,476.38, 55,859.38 and 23,480.42 is: 32,404.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,476.38 : 55,859.38 = 23,480.42 : x
  2. Step 2: Convert to fraction form
    40,476.38/55,859.38 = 23,480.42/x
  3. Step 3: Cross multiply
    40,476.38x = 55,859.38 × 23,480.42
  4. Step 4: Simplify right side
    40,476.38x = 1,311,601,703.34
  5. Step 5: Solve for x
    x = 1,311,601,703.34/40,476.38
  6. Step 6: Final answer
    x = 32,404.13

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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.