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Finding the Fourth Proportional to 9,390.76, 14,086.08 and 7,627.38

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Solution

The fourth proportional to 9,390.76, 14,086.08 and 7,627.38 is: 11,441.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.76 : 14,086.08 = 7,627.38 : x
  2. Step 2: Convert to fraction form
    9,390.76/14,086.08 = 7,627.38/x
  3. Step 3: Cross multiply
    9,390.76x = 14,086.08 × 7,627.38
  4. Step 4: Simplify right side
    9,390.76x = 107,439,884.87
  5. Step 5: Solve for x
    x = 107,439,884.87/9,390.76
  6. Step 6: Final answer
    x = 11,441.02

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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.