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Finding the Fourth Proportional to 54,473.48, 81,700.46 and 14,492.68

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Solution

The fourth proportional to 54,473.48, 81,700.46 and 14,492.68 is: 21,736.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,473.48 : 81,700.46 = 14,492.68 : x
  2. Step 2: Convert to fraction form
    54,473.48/81,700.46 = 14,492.68/x
  3. Step 3: Cross multiply
    54,473.48x = 81,700.46 × 14,492.68
  4. Step 4: Simplify right side
    54,473.48x = 1,184,058,622.63
  5. Step 5: Solve for x
    x = 1,184,058,622.63/54,473.48
  6. Step 6: Final answer
    x = 21,736.42

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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.