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Finding the Fourth Proportional to 54,309.40, 81,464.10 and 36,594.70

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Solution

The fourth proportional to 54,309.40, 81,464.10 and 36,594.70 is: 54,892.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,309.40 : 81,464.10 = 36,594.70 : x
  2. Step 2: Convert to fraction form
    54,309.40/81,464.10 = 36,594.70/x
  3. Step 3: Cross multiply
    54,309.40x = 81,464.10 × 36,594.70
  4. Step 4: Simplify right side
    54,309.40x = 2,981,154,300.27
  5. Step 5: Solve for x
    x = 2,981,154,300.27/54,309.40
  6. Step 6: Final answer
    x = 54,892.05

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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.