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Finding the Fourth Proportional to 54,369.36, 81,492.57 and 29,353.68

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Solution

The fourth proportional to 54,369.36, 81,492.57 and 29,353.68 is: 43,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369.36 : 81,492.57 = 29,353.68 : x
  2. Step 2: Convert to fraction form
    54,369.36/81,492.57 = 29,353.68/x
  3. Step 3: Cross multiply
    54,369.36x = 81,492.57 × 29,353.68
  4. Step 4: Simplify right side
    54,369.36x = 2,392,106,822.16
  5. Step 5: Solve for x
    x = 2,392,106,822.16/54,369.36
  6. Step 6: Final answer
    x = 43,997.33

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1.5x scale

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.