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Finding the Fourth Proportional to 54,768.84, 82,153.53 and 17,327.40

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Solution

The fourth proportional to 54,768.84, 82,153.53 and 17,327.40 is: 25,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,768.84 : 82,153.53 = 17,327.40 : x
  2. Step 2: Convert to fraction form
    54,768.84/82,153.53 = 17,327.40/x
  3. Step 3: Cross multiply
    54,768.84x = 82,153.53 × 17,327.40
  4. Step 4: Simplify right side
    54,768.84x = 1,423,507,075.72
  5. Step 5: Solve for x
    x = 1,423,507,075.72/54,768.84
  6. Step 6: Final answer
    x = 25,991.19

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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.