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Finding the Fourth Proportional to 2,462.00, 3,688.07 and 2,154.20

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Solution

The fourth proportional to 2,462.00, 3,688.07 and 2,154.20 is: 3,226.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.00 : 3,688.07 = 2,154.20 : x
  2. Step 2: Convert to fraction form
    2,462.00/3,688.07 = 2,154.20/x
  3. Step 3: Cross multiply
    2,462.00x = 3,688.07 × 2,154.20
  4. Step 4: Simplify right side
    2,462.00x = 7,944,811.18
  5. Step 5: Solve for x
    x = 7,944,811.18/2,462.00
  6. Step 6: Final answer
    x = 3,226.98

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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.