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Finding the Fourth Proportional to 25,213.40, 37,722.90 and 16,465.40

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Solution

The fourth proportional to 25,213.40, 37,722.90 and 16,465.40 is: 24,634.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,213.40 : 37,722.90 = 16,465.40 : x
  2. Step 2: Convert to fraction form
    25,213.40/37,722.90 = 16,465.40/x
  3. Step 3: Cross multiply
    25,213.40x = 37,722.90 × 16,465.40
  4. Step 4: Simplify right side
    25,213.40x = 621,122,637.66
  5. Step 5: Solve for x
    x = 621,122,637.66/25,213.40
  6. Step 6: Final answer
    x = 24,634.62

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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.