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Finding the Fourth Proportional to 58,042.76, 80,098.26 and 34,170.44

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Solution

The fourth proportional to 58,042.76, 80,098.26 and 34,170.44 is: 47,154.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,042.76 : 80,098.26 = 34,170.44 : x
  2. Step 2: Convert to fraction form
    58,042.76/80,098.26 = 34,170.44/x
  3. Step 3: Cross multiply
    58,042.76x = 80,098.26 × 34,170.44
  4. Step 4: Simplify right side
    58,042.76x = 2,736,992,787.43
  5. Step 5: Solve for x
    x = 2,736,992,787.43/58,042.76
  6. Step 6: Final answer
    x = 47,154.77

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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.