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Finding the Fourth Proportional to 54,847.69, 75,689.81 and 29,697.19

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Solution

The fourth proportional to 54,847.69, 75,689.81 and 29,697.19 is: 40,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,847.69 : 75,689.81 = 29,697.19 : x
  2. Step 2: Convert to fraction form
    54,847.69/75,689.81 = 29,697.19/x
  3. Step 3: Cross multiply
    54,847.69x = 75,689.81 × 29,697.19
  4. Step 4: Simplify right side
    54,847.69x = 2,247,774,442.29
  5. Step 5: Solve for x
    x = 2,247,774,442.29/54,847.69
  6. Step 6: Final answer
    x = 40,982.12

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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.