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Finding the Fourth Proportional to 54,301.60, 81,452.40 and 36,586.90

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Solution

The fourth proportional to 54,301.60, 81,452.40 and 36,586.90 is: 54,880.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,301.60 : 81,452.40 = 36,586.90 : x
  2. Step 2: Convert to fraction form
    54,301.60/81,452.40 = 36,586.90/x
  3. Step 3: Cross multiply
    54,301.60x = 81,452.40 × 36,586.90
  4. Step 4: Simplify right side
    54,301.60x = 2,980,090,813.56
  5. Step 5: Solve for x
    x = 2,980,090,813.56/54,301.60
  6. Step 6: Final answer
    x = 54,880.35

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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.