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Finding the Fourth Proportional to 5,938.46, 8,908.21 and 1,555.92

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Solution

The fourth proportional to 5,938.46, 8,908.21 and 1,555.92 is: 2,334.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,938.46 : 8,908.21 = 1,555.92 : x
  2. Step 2: Convert to fraction form
    5,938.46/8,908.21 = 1,555.92/x
  3. Step 3: Cross multiply
    5,938.46x = 8,908.21 × 1,555.92
  4. Step 4: Simplify right side
    5,938.46x = 13,860,462.10
  5. Step 5: Solve for x
    x = 13,860,462.10/5,938.46
  6. Step 6: Final answer
    x = 2,334.02

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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.