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Finding the Fourth Proportional to 40,956.04, 61,434.04 and 11,373.88

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Solution

The fourth proportional to 40,956.04, 61,434.04 and 11,373.88 is: 17,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,956.04 : 61,434.04 = 11,373.88 : x
  2. Step 2: Convert to fraction form
    40,956.04/61,434.04 = 11,373.88/x
  3. Step 3: Cross multiply
    40,956.04x = 61,434.04 × 11,373.88
  4. Step 4: Simplify right side
    40,956.04x = 698,743,398.88
  5. Step 5: Solve for x
    x = 698,743,398.88/40,956.04
  6. Step 6: Final answer
    x = 17,060.81

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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.