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Finding the Fourth Proportional to 54,847.19, 82,270.79 and 13,294.19

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Solution

The fourth proportional to 54,847.19, 82,270.79 and 13,294.19 is: 19,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,847.19 : 82,270.79 = 13,294.19 : x
  2. Step 2: Convert to fraction form
    54,847.19/82,270.79 = 13,294.19/x
  3. Step 3: Cross multiply
    54,847.19x = 82,270.79 × 13,294.19
  4. Step 4: Simplify right side
    54,847.19x = 1,093,723,513.71
  5. Step 5: Solve for x
    x = 1,093,723,513.71/54,847.19
  6. Step 6: Final answer
    x = 19,941.29

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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.