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Finding the Fourth Proportional to 40,759.30, 61,164.92 and 18,574.92

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Solution

The fourth proportional to 40,759.30, 61,164.92 and 18,574.92 is: 27,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,759.30 : 61,164.92 = 18,574.92 : x
  2. Step 2: Convert to fraction form
    40,759.30/61,164.92 = 18,574.92/x
  3. Step 3: Cross multiply
    40,759.30x = 61,164.92 × 18,574.92
  4. Step 4: Simplify right side
    40,759.30x = 1,136,133,542.24
  5. Step 5: Solve for x
    x = 1,136,133,542.24/40,759.30
  6. Step 6: Final answer
    x = 27,874.22

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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.