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Finding the Fourth Proportional to 43,386.87, 65,080.31 and 22,650.87

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Solution

The fourth proportional to 43,386.87, 65,080.31 and 22,650.87 is: 33,976.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,386.87 : 65,080.31 = 22,650.87 : x
  2. Step 2: Convert to fraction form
    43,386.87/65,080.31 = 22,650.87/x
  3. Step 3: Cross multiply
    43,386.87x = 65,080.31 × 22,650.87
  4. Step 4: Simplify right side
    43,386.87x = 1,474,125,528.12
  5. Step 5: Solve for x
    x = 1,474,125,528.12/43,386.87
  6. Step 6: Final answer
    x = 33,976.31

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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.