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Finding the Fourth Proportional to 51,354.66, 70,865.03 and 29,551.64

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Solution

The fourth proportional to 51,354.66, 70,865.03 and 29,551.64 is: 40,778.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,354.66 : 70,865.03 = 29,551.64 : x
  2. Step 2: Convert to fraction form
    51,354.66/70,865.03 = 29,551.64/x
  3. Step 3: Cross multiply
    51,354.66x = 70,865.03 × 29,551.64
  4. Step 4: Simplify right side
    51,354.66x = 2,094,177,408.48
  5. Step 5: Solve for x
    x = 2,094,177,408.48/51,354.66
  6. Step 6: Final answer
    x = 40,778.72

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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.