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Finding the Fourth Proportional to 14,728, 22,108.32 and 7,330.46

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Solution

The fourth proportional to 14,728, 22,108.32 and 7,330.46 is: 11,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728 : 22,108.32 = 7,330.46 : x
  2. Step 2: Convert to fraction form
    14,728/22,108.32 = 7,330.46/x
  3. Step 3: Cross multiply
    14,728x = 22,108.32 × 7,330.46
  4. Step 4: Simplify right side
    14,728x = 162,064,155.43
  5. Step 5: Solve for x
    x = 162,064,155.43/14,728
  6. Step 6: Final answer
    x = 11,003.81

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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.