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Finding the Fourth Proportional to 9,801.92, 14,702.60 and 3,958.32

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Solution

The fourth proportional to 9,801.92, 14,702.60 and 3,958.32 is: 5,937.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.92 : 14,702.60 = 3,958.32 : x
  2. Step 2: Convert to fraction form
    9,801.92/14,702.60 = 3,958.32/x
  3. Step 3: Cross multiply
    9,801.92x = 14,702.60 × 3,958.32
  4. Step 4: Simplify right side
    9,801.92x = 58,197,595.63
  5. Step 5: Solve for x
    x = 58,197,595.63/9,801.92
  6. Step 6: Final answer
    x = 5,937.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.