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Finding the Fourth Proportional to 8,903.54, 13,353.69 and 3,972.26

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Solution

The fourth proportional to 8,903.54, 13,353.69 and 3,972.26 is: 5,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.54 : 13,353.69 = 3,972.26 : x
  2. Step 2: Convert to fraction form
    8,903.54/13,353.69 = 3,972.26/x
  3. Step 3: Cross multiply
    8,903.54x = 13,353.69 × 3,972.26
  4. Step 4: Simplify right side
    8,903.54x = 53,044,328.64
  5. Step 5: Solve for x
    x = 53,044,328.64/8,903.54
  6. Step 6: Final answer
    x = 5,957.67

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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.