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Finding the Fourth Proportional to 54,703.62, 75,491.02 and 29,553.12

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Solution

The fourth proportional to 54,703.62, 75,491.02 and 29,553.12 is: 40,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,703.62 : 75,491.02 = 29,553.12 : x
  2. Step 2: Convert to fraction form
    54,703.62/75,491.02 = 29,553.12/x
  3. Step 3: Cross multiply
    54,703.62x = 75,491.02 × 29,553.12
  4. Step 4: Simplify right side
    54,703.62x = 2,230,995,172.98
  5. Step 5: Solve for x
    x = 2,230,995,172.98/54,703.62
  6. Step 6: Final answer
    x = 40,783.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.