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Finding the Fourth Proportional to 9,666.60, 14,496.81 and 3,091.22

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Solution

The fourth proportional to 9,666.60, 14,496.81 and 3,091.22 is: 4,635.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666.60 : 14,496.81 = 3,091.22 : x
  2. Step 2: Convert to fraction form
    9,666.60/14,496.81 = 3,091.22/x
  3. Step 3: Cross multiply
    9,666.60x = 14,496.81 × 3,091.22
  4. Step 4: Simplify right side
    9,666.60x = 44,812,799.30
  5. Step 5: Solve for x
    x = 44,812,799.30/9,666.60
  6. Step 6: Final answer
    x = 4,635.84

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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.