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Finding the Fourth Proportional to 54,329.60, 81,530.85 and 32,119.40

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Solution

The fourth proportional to 54,329.60, 81,530.85 and 32,119.40 is: 48,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,329.60 : 81,530.85 = 32,119.40 : x
  2. Step 2: Convert to fraction form
    54,329.60/81,530.85 = 32,119.40/x
  3. Step 3: Cross multiply
    54,329.60x = 81,530.85 × 32,119.40
  4. Step 4: Simplify right side
    54,329.60x = 2,618,721,983.49
  5. Step 5: Solve for x
    x = 2,618,721,983.49/54,329.60
  6. Step 6: Final answer
    x = 48,200.65

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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.