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Finding the Fourth Proportional to 9,913.08, 14,871.12 and 3,337.68

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Solution

The fourth proportional to 9,913.08, 14,871.12 and 3,337.68 is: 5,007.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.08 : 14,871.12 = 3,337.68 : x
  2. Step 2: Convert to fraction form
    9,913.08/14,871.12 = 3,337.68/x
  3. Step 3: Cross multiply
    9,913.08x = 14,871.12 × 3,337.68
  4. Step 4: Simplify right side
    9,913.08x = 49,635,039.80
  5. Step 5: Solve for x
    x = 49,635,039.80/9,913.08
  6. Step 6: Final answer
    x = 5,007.03

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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.