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Finding the Fourth Proportional to 9,930.48, 13,704.08 and 6,204.48

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Solution

The fourth proportional to 9,930.48, 13,704.08 and 6,204.48 is: 8,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,930.48 : 13,704.08 = 6,204.48 : x
  2. Step 2: Convert to fraction form
    9,930.48/13,704.08 = 6,204.48/x
  3. Step 3: Cross multiply
    9,930.48x = 13,704.08 × 6,204.48
  4. Step 4: Simplify right side
    9,930.48x = 85,026,690.28
  5. Step 5: Solve for x
    x = 85,026,690.28/9,930.48
  6. Step 6: Final answer
    x = 8,562.19

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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.