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Finding the Fourth Proportional to 25,803.80, 35,580.84 and 16,834.40

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Solution

The fourth proportional to 25,803.80, 35,580.84 and 16,834.40 is: 23,212.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,803.80 : 35,580.84 = 16,834.40 : x
  2. Step 2: Convert to fraction form
    25,803.80/35,580.84 = 16,834.40/x
  3. Step 3: Cross multiply
    25,803.80x = 35,580.84 × 16,834.40
  4. Step 4: Simplify right side
    25,803.80x = 598,982,092.90
  5. Step 5: Solve for x
    x = 598,982,092.90/25,803.80
  6. Step 6: Final answer
    x = 23,212.94

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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.