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Finding the Fourth Proportional to 7,371, 10,169.82 and 4,385.34

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Solution

The fourth proportional to 7,371, 10,169.82 and 4,385.34 is: 6,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371 : 10,169.82 = 4,385.34 : x
  2. Step 2: Convert to fraction form
    7,371/10,169.82 = 4,385.34/x
  3. Step 3: Cross multiply
    7,371x = 10,169.82 × 4,385.34
  4. Step 4: Simplify right side
    7,371x = 44,598,118.44
  5. Step 5: Solve for x
    x = 44,598,118.44/7,371
  6. Step 6: Final answer
    x = 6,050.48

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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.