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Finding the Fourth Proportional to 7,372.92, 10,188.54 and 5,813.40

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Solution

The fourth proportional to 7,372.92, 10,188.54 and 5,813.40 is: 8,033.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.92 : 10,188.54 = 5,813.40 : x
  2. Step 2: Convert to fraction form
    7,372.92/10,188.54 = 5,813.40/x
  3. Step 3: Cross multiply
    7,372.92x = 10,188.54 × 5,813.40
  4. Step 4: Simplify right side
    7,372.92x = 59,230,058.44
  5. Step 5: Solve for x
    x = 59,230,058.44/7,372.92
  6. Step 6: Final answer
    x = 8,033.46

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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.