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Finding the Fourth Proportional to 4,929.94, 7,392.12 and 2,004.81

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Solution

The fourth proportional to 4,929.94, 7,392.12 and 2,004.81 is: 3,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929.94 : 7,392.12 = 2,004.81 : x
  2. Step 2: Convert to fraction form
    4,929.94/7,392.12 = 2,004.81/x
  3. Step 3: Cross multiply
    4,929.94x = 7,392.12 × 2,004.81
  4. Step 4: Simplify right side
    4,929.94x = 14,819,796.10
  5. Step 5: Solve for x
    x = 14,819,796.10/4,929.94
  6. Step 6: Final answer
    x = 3,006.08

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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.