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Finding the Fourth Proportional to 54,684.48, 75,463.68 and 30,813.48

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Solution

The fourth proportional to 54,684.48, 75,463.68 and 30,813.48 is: 42,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,684.48 : 75,463.68 = 30,813.48 : x
  2. Step 2: Convert to fraction form
    54,684.48/75,463.68 = 30,813.48/x
  3. Step 3: Cross multiply
    54,684.48x = 75,463.68 × 30,813.48
  4. Step 4: Simplify right side
    54,684.48x = 2,325,298,594.41
  5. Step 5: Solve for x
    x = 2,325,298,594.41/54,684.48
  6. Step 6: Final answer
    x = 42,522.09

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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.