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Finding the Fourth Proportional to 54,492.84, 81,738.73 and 32,290.23

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Solution

The fourth proportional to 54,492.84, 81,738.73 and 32,290.23 is: 48,435.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,492.84 : 81,738.73 = 32,290.23 : x
  2. Step 2: Convert to fraction form
    54,492.84/81,738.73 = 32,290.23/x
  3. Step 3: Cross multiply
    54,492.84x = 81,738.73 × 32,290.23
  4. Step 4: Simplify right side
    54,492.84x = 2,639,362,391.61
  5. Step 5: Solve for x
    x = 2,639,362,391.61/54,492.84
  6. Step 6: Final answer
    x = 48,435.03

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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.