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Finding the Fourth Proportional to 69,614.90, 104,421.90 and 25,231.34

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Solution

The fourth proportional to 69,614.90, 104,421.90 and 25,231.34 is: 37,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,614.90 : 104,421.90 = 25,231.34 : x
  2. Step 2: Convert to fraction form
    69,614.90/104,421.90 = 25,231.34/x
  3. Step 3: Cross multiply
    69,614.90x = 104,421.90 × 25,231.34
  4. Step 4: Simplify right side
    69,614.90x = 2,634,704,462.35
  5. Step 5: Solve for x
    x = 2,634,704,462.35/69,614.90
  6. Step 6: Final answer
    x = 37,846.85

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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.