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Finding the Fourth Proportional to 7,308.76, 10,961.88 and 2,381.92

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Solution

The fourth proportional to 7,308.76, 10,961.88 and 2,381.92 is: 3,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.76 : 10,961.88 = 2,381.92 : x
  2. Step 2: Convert to fraction form
    7,308.76/10,961.88 = 2,381.92/x
  3. Step 3: Cross multiply
    7,308.76x = 10,961.88 × 2,381.92
  4. Step 4: Simplify right side
    7,308.76x = 26,110,321.21
  5. Step 5: Solve for x
    x = 26,110,321.21/7,308.76
  6. Step 6: Final answer
    x = 3,572.47

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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.