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Finding the Fourth Proportional to 51,402.04, 70,975.02 and 39,446.44

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Solution

The fourth proportional to 51,402.04, 70,975.02 and 39,446.44 is: 54,466.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,402.04 : 70,975.02 = 39,446.44 : x
  2. Step 2: Convert to fraction form
    51,402.04/70,975.02 = 39,446.44/x
  3. Step 3: Cross multiply
    51,402.04x = 70,975.02 × 39,446.44
  4. Step 4: Simplify right side
    51,402.04x = 2,799,711,867.93
  5. Step 5: Solve for x
    x = 2,799,711,867.93/51,402.04
  6. Step 6: Final answer
    x = 54,466.94

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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.