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Finding the Fourth Proportional to 54,376.80, 73,175.40 and 54,376.80

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Solution

The fourth proportional to 54,376.80, 73,175.40 and 54,376.80 is: 73,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,376.80 : 73,175.40 = 54,376.80 : x
  2. Step 2: Convert to fraction form
    54,376.80/73,175.40 = 54,376.80/x
  3. Step 3: Cross multiply
    54,376.80x = 73,175.40 × 54,376.80
  4. Step 4: Simplify right side
    54,376.80x = 3,979,044,090.72
  5. Step 5: Solve for x
    x = 3,979,044,090.72/54,376.80
  6. Step 6: Final answer
    x = 73,175.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.