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Finding the Fourth Proportional to 55,380.48, 83,080.46 and 23,809.92

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Solution

The fourth proportional to 55,380.48, 83,080.46 and 23,809.92 is: 35,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,380.48 : 83,080.46 = 23,809.92 : x
  2. Step 2: Convert to fraction form
    55,380.48/83,080.46 = 23,809.92/x
  3. Step 3: Cross multiply
    55,380.48x = 83,080.46 × 23,809.92
  4. Step 4: Simplify right side
    55,380.48x = 1,978,138,987.11
  5. Step 5: Solve for x
    x = 1,978,138,987.11/55,380.48
  6. Step 6: Final answer
    x = 35,719.07

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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.