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Finding the Fourth Proportional to 55,404.84, 83,107.27 and 13,851.84

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Solution

The fourth proportional to 55,404.84, 83,107.27 and 13,851.84 is: 20,777.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,404.84 : 83,107.27 = 13,851.84 : x
  2. Step 2: Convert to fraction form
    55,404.84/83,107.27 = 13,851.84/x
  3. Step 3: Cross multiply
    55,404.84x = 83,107.27 × 13,851.84
  4. Step 4: Simplify right side
    55,404.84x = 1,151,188,857.93
  5. Step 5: Solve for x
    x = 1,151,188,857.93/55,404.84
  6. Step 6: Final answer
    x = 20,777.77

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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.