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Finding the Fourth Proportional to 25,751.92, 35,509.50 and 22,364.80

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Solution

The fourth proportional to 25,751.92, 35,509.50 and 22,364.80 is: 30,838.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.92 : 35,509.50 = 22,364.80 : x
  2. Step 2: Convert to fraction form
    25,751.92/35,509.50 = 22,364.80/x
  3. Step 3: Cross multiply
    25,751.92x = 35,509.50 × 22,364.80
  4. Step 4: Simplify right side
    25,751.92x = 794,162,865.60
  5. Step 5: Solve for x
    x = 794,162,865.60/25,751.92
  6. Step 6: Final answer
    x = 30,838.98

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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.