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Finding the Fourth Proportional to 8,904.75, 13,355.10 and 3,358.68

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Solution

The fourth proportional to 8,904.75, 13,355.10 and 3,358.68 is: 5,037.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.75 : 13,355.10 = 3,358.68 : x
  2. Step 2: Convert to fraction form
    8,904.75/13,355.10 = 3,358.68/x
  3. Step 3: Cross multiply
    8,904.75x = 13,355.10 × 3,358.68
  4. Step 4: Simplify right side
    8,904.75x = 44,855,507.27
  5. Step 5: Solve for x
    x = 44,855,507.27/8,904.75
  6. Step 6: Final answer
    x = 5,037.26

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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.