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Finding the Fourth Proportional to 54,341.82, 81,492.84 and 18,794.16

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Solution

The fourth proportional to 54,341.82, 81,492.84 and 18,794.16 is: 28,184.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,341.82 : 81,492.84 = 18,794.16 : x
  2. Step 2: Convert to fraction form
    54,341.82/81,492.84 = 18,794.16/x
  3. Step 3: Cross multiply
    54,341.82x = 81,492.84 × 18,794.16
  4. Step 4: Simplify right side
    54,341.82x = 1,531,589,473.81
  5. Step 5: Solve for x
    x = 1,531,589,473.81/54,341.82
  6. Step 6: Final answer
    x = 28,184.36

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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.