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Finding the Fourth Proportional to 9,672.08, 13,348.68 and 5,481.68

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Solution

The fourth proportional to 9,672.08, 13,348.68 and 5,481.68 is: 7,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.08 : 13,348.68 = 5,481.68 : x
  2. Step 2: Convert to fraction form
    9,672.08/13,348.68 = 5,481.68/x
  3. Step 3: Cross multiply
    9,672.08x = 13,348.68 × 5,481.68
  4. Step 4: Simplify right side
    9,672.08x = 73,173,192.18
  5. Step 5: Solve for x
    x = 73,173,192.18/9,672.08
  6. Step 6: Final answer
    x = 7,565.40

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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.