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Finding the Fourth Proportional to 50,489.30, 69,675.70 and 27,829.09

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Solution

The fourth proportional to 50,489.30, 69,675.70 and 27,829.09 is: 38,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,489.30 : 69,675.70 = 27,829.09 : x
  2. Step 2: Convert to fraction form
    50,489.30/69,675.70 = 27,829.09/x
  3. Step 3: Cross multiply
    50,489.30x = 69,675.70 × 27,829.09
  4. Step 4: Simplify right side
    50,489.30x = 1,939,011,326.11
  5. Step 5: Solve for x
    x = 1,939,011,326.11/50,489.30
  6. Step 6: Final answer
    x = 38,404.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.