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Finding the Fourth Proportional to 7,606.50, 11,411.19 and 3,502.50

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Solution

The fourth proportional to 7,606.50, 11,411.19 and 3,502.50 is: 5,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,606.50 : 11,411.19 = 3,502.50 : x
  2. Step 2: Convert to fraction form
    7,606.50/11,411.19 = 3,502.50/x
  3. Step 3: Cross multiply
    7,606.50x = 11,411.19 × 3,502.50
  4. Step 4: Simplify right side
    7,606.50x = 39,967,692.98
  5. Step 5: Solve for x
    x = 39,967,692.98/7,606.50
  6. Step 6: Final answer
    x = 5,254.41

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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.