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Finding the Fourth Proportional to 54,175.25, 74,762.03 and 30,300.39

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Solution

The fourth proportional to 54,175.25, 74,762.03 and 30,300.39 is: 41,814.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,175.25 : 74,762.03 = 30,300.39 : x
  2. Step 2: Convert to fraction form
    54,175.25/74,762.03 = 30,300.39/x
  3. Step 3: Cross multiply
    54,175.25x = 74,762.03 × 30,300.39
  4. Step 4: Simplify right side
    54,175.25x = 2,265,318,853.10
  5. Step 5: Solve for x
    x = 2,265,318,853.10/54,175.25
  6. Step 6: Final answer
    x = 41,814.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.