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Finding the Fourth Proportional to 4,973.97, 7,459.80 and 2,199.14

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Solution

The fourth proportional to 4,973.97, 7,459.80 and 2,199.14 is: 3,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,973.97 : 7,459.80 = 2,199.14 : x
  2. Step 2: Convert to fraction form
    4,973.97/7,459.80 = 2,199.14/x
  3. Step 3: Cross multiply
    4,973.97x = 7,459.80 × 2,199.14
  4. Step 4: Simplify right side
    4,973.97x = 16,405,144.57
  5. Step 5: Solve for x
    x = 16,405,144.57/4,973.97
  6. Step 6: Final answer
    x = 3,298.20

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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.