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Finding the Fourth Proportional to 58,149.44, 80,256.70 and 34,274.72

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Solution

The fourth proportional to 58,149.44, 80,256.70 and 34,274.72 is: 47,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,149.44 : 80,256.70 = 34,274.72 : x
  2. Step 2: Convert to fraction form
    58,149.44/80,256.70 = 34,274.72/x
  3. Step 3: Cross multiply
    58,149.44x = 80,256.70 × 34,274.72
  4. Step 4: Simplify right side
    58,149.44x = 2,750,775,920.62
  5. Step 5: Solve for x
    x = 2,750,775,920.62/58,149.44
  6. Step 6: Final answer
    x = 47,305.29

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1.5x scale

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.