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Finding the Fourth Proportional to 29,471.20, 44,228.40 and 19,607.20

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Solution

The fourth proportional to 29,471.20, 44,228.40 and 19,607.20 is: 29,425.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,471.20 : 44,228.40 = 19,607.20 : x
  2. Step 2: Convert to fraction form
    29,471.20/44,228.40 = 19,607.20/x
  3. Step 3: Cross multiply
    29,471.20x = 44,228.40 × 19,607.20
  4. Step 4: Simplify right side
    29,471.20x = 867,195,084.48
  5. Step 5: Solve for x
    x = 867,195,084.48/29,471.20
  6. Step 6: Final answer
    x = 29,425.17

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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.