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Finding the Fourth Proportional to 8,903.55, 13,355.19 and 3,637.41

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Solution

The fourth proportional to 8,903.55, 13,355.19 and 3,637.41 is: 5,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,903.55 : 13,355.19 = 3,637.41 : x
  2. Step 2: Convert to fraction form
    8,903.55/13,355.19 = 3,637.41/x
  3. Step 3: Cross multiply
    8,903.55x = 13,355.19 × 3,637.41
  4. Step 4: Simplify right side
    8,903.55x = 48,578,301.66
  5. Step 5: Solve for x
    x = 48,578,301.66/8,903.55
  6. Step 6: Final answer
    x = 5,456.06

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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.