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Finding the Fourth Proportional to 7,472.67, 11,210.01 and 2,540.98

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Solution

The fourth proportional to 7,472.67, 11,210.01 and 2,540.98 is: 3,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.67 : 11,210.01 = 2,540.98 : x
  2. Step 2: Convert to fraction form
    7,472.67/11,210.01 = 2,540.98/x
  3. Step 3: Cross multiply
    7,472.67x = 11,210.01 × 2,540.98
  4. Step 4: Simplify right side
    7,472.67x = 28,484,411.21
  5. Step 5: Solve for x
    x = 28,484,411.21/7,472.67
  6. Step 6: Final answer
    x = 3,811.81

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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.