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Finding the Fourth Proportional to 55,492.84, 76,584.02 and 31,295.97

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Solution

The fourth proportional to 55,492.84, 76,584.02 and 31,295.97 is: 43,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,492.84 : 76,584.02 = 31,295.97 : x
  2. Step 2: Convert to fraction form
    55,492.84/76,584.02 = 31,295.97/x
  3. Step 3: Cross multiply
    55,492.84x = 76,584.02 × 31,295.97
  4. Step 4: Simplify right side
    55,492.84x = 2,396,771,192.40
  5. Step 5: Solve for x
    x = 2,396,771,192.40/55,492.84
  6. Step 6: Final answer
    x = 43,190.64

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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.