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Finding the Fourth Proportional to 8,903.51, 13,355.16 and 3,709.38

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Solution

The fourth proportional to 8,903.51, 13,355.16 and 3,709.38 is: 5,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.51 : 13,355.16 = 3,709.38 : x
  2. Step 2: Convert to fraction form
    8,903.51/13,355.16 = 3,709.38/x
  3. Step 3: Cross multiply
    8,903.51x = 13,355.16 × 3,709.38
  4. Step 4: Simplify right side
    8,903.51x = 49,539,363.40
  5. Step 5: Solve for x
    x = 49,539,363.40/8,903.51
  6. Step 6: Final answer
    x = 5,564.03

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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.