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Finding the Fourth Proportional to 7,370.50, 10,171.29 and 4,058.50

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Solution

The fourth proportional to 7,370.50, 10,171.29 and 4,058.50 is: 5,600.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,370.50 : 10,171.29 = 4,058.50 : x
  2. Step 2: Convert to fraction form
    7,370.50/10,171.29 = 4,058.50/x
  3. Step 3: Cross multiply
    7,370.50x = 10,171.29 × 4,058.50
  4. Step 4: Simplify right side
    7,370.50x = 41,280,180.47
  5. Step 5: Solve for x
    x = 41,280,180.47/7,370.50
  6. Step 6: Final answer
    x = 5,600.73

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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.