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Finding the Fourth Proportional to 54,323.53, 81,492.74 and 16,876.62

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Solution

The fourth proportional to 54,323.53, 81,492.74 and 16,876.62 is: 25,317.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,323.53 : 81,492.74 = 16,876.62 : x
  2. Step 2: Convert to fraction form
    54,323.53/81,492.74 = 16,876.62/x
  3. Step 3: Cross multiply
    54,323.53x = 81,492.74 × 16,876.62
  4. Step 4: Simplify right side
    54,323.53x = 1,375,321,984.64
  5. Step 5: Solve for x
    x = 1,375,321,984.64/54,323.53
  6. Step 6: Final answer
    x = 25,317.24

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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.