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Finding the Fourth Proportional to 57,329.80, 85,921.80 and 27,683.80

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Solution

The fourth proportional to 57,329.80, 85,921.80 and 27,683.80 is: 41,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,329.80 : 85,921.80 = 27,683.80 : x
  2. Step 2: Convert to fraction form
    57,329.80/85,921.80 = 27,683.80/x
  3. Step 3: Cross multiply
    57,329.80x = 85,921.80 × 27,683.80
  4. Step 4: Simplify right side
    57,329.80x = 2,378,641,926.84
  5. Step 5: Solve for x
    x = 2,378,641,926.84/57,329.80
  6. Step 6: Final answer
    x = 41,490.50

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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.