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Finding the Fourth Proportional to 8,903.18, 13,355.08 and 3,355.22

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Solution

The fourth proportional to 8,903.18, 13,355.08 and 3,355.22 is: 5,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.18 : 13,355.08 = 3,355.22 : x
  2. Step 2: Convert to fraction form
    8,903.18/13,355.08 = 3,355.22/x
  3. Step 3: Cross multiply
    8,903.18x = 13,355.08 × 3,355.22
  4. Step 4: Simplify right side
    8,903.18x = 44,809,256.52
  5. Step 5: Solve for x
    x = 44,809,256.52/8,903.18
  6. Step 6: Final answer
    x = 5,032.95

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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.