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Finding the Fourth Proportional to 4,674.63, 7,011.95 and 1,902.81

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Solution

The fourth proportional to 4,674.63, 7,011.95 and 1,902.81 is: 2,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.63 : 7,011.95 = 1,902.81 : x
  2. Step 2: Convert to fraction form
    4,674.63/7,011.95 = 1,902.81/x
  3. Step 3: Cross multiply
    4,674.63x = 7,011.95 × 1,902.81
  4. Step 4: Simplify right side
    4,674.63x = 13,342,408.58
  5. Step 5: Solve for x
    x = 13,342,408.58/4,674.63
  6. Step 6: Final answer
    x = 2,854.22

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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.