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Finding the Fourth Proportional to 25,984.40, 39,005.40 and 16,134.80

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Solution

The fourth proportional to 25,984.40, 39,005.40 and 16,134.80 is: 24,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,984.40 : 39,005.40 = 16,134.80 : x
  2. Step 2: Convert to fraction form
    25,984.40/39,005.40 = 16,134.80/x
  3. Step 3: Cross multiply
    25,984.40x = 39,005.40 × 16,134.80
  4. Step 4: Simplify right side
    25,984.40x = 629,344,327.92
  5. Step 5: Solve for x
    x = 629,344,327.92/25,984.40
  6. Step 6: Final answer
    x = 24,220.08

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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.